Home / 1,010,208.60-1,515,312.90-262,254.60

Finding the Fourth Proportional to 1,010,208.60, 1,515,312.90 and 262,254.60

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Solution

The fourth proportional to 1,010,208.60, 1,515,312.90 and 262,254.60 is: 393,381.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,010,208.60 : 1,515,312.90 = 262,254.60 : x
  2. Step 2: Convert to fraction form
    1,010,208.60/1,515,312.90 = 262,254.60/x
  3. Step 3: Cross multiply
    1,010,208.60x = 1,515,312.90 × 262,254.60
  4. Step 4: Simplify right side
    1,010,208.60x = 397,397,778,464.34
  5. Step 5: Solve for x
    x = 397,397,778,464.34/1,010,208.60
  6. Step 6: Final answer
    x = 393,381.90

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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.