Home / 1,004,095.90-1,506,143.85-780,147.10

Finding the Fourth Proportional to 1,004,095.90, 1,506,143.85 and 780,147.10

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Solution

The fourth proportional to 1,004,095.90, 1,506,143.85 and 780,147.10 is: 1,170,220.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,004,095.90 : 1,506,143.85 = 780,147.10 : x
  2. Step 2: Convert to fraction form
    1,004,095.90/1,506,143.85 = 780,147.10/x
  3. Step 3: Cross multiply
    1,004,095.90x = 1,506,143.85 × 780,147.10
  4. Step 4: Simplify right side
    1,004,095.90x = 1,175,013,756,760.34
  5. Step 5: Solve for x
    x = 1,175,013,756,760.34/1,004,095.90
  6. Step 6: Final answer
    x = 1,170,220.65

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Double scale
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Similar ratio
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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.