Home / 1,759,095.90-2,638,643.85-429,399.90

Finding the Fourth Proportional to 1,759,095.90, 2,638,643.85 and 429,399.90

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Solution

The fourth proportional to 1,759,095.90, 2,638,643.85 and 429,399.90 is: 644,099.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,759,095.90 : 2,638,643.85 = 429,399.90 : x
  2. Step 2: Convert to fraction form
    1,759,095.90/2,638,643.85 = 429,399.90/x
  3. Step 3: Cross multiply
    1,759,095.90x = 2,638,643.85 × 429,399.90
  4. Step 4: Simplify right side
    1,759,095.90x = 1,133,033,405,325.62
  5. Step 5: Solve for x
    x = 1,133,033,405,325.62/1,759,095.90
  6. Step 6: Final answer
    x = 644,099.85

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.