Home / 1,006,918.30-1,510,377.45-342,070.30

Finding the Fourth Proportional to 1,006,918.30, 1,510,377.45 and 342,070.30

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Solution

The fourth proportional to 1,006,918.30, 1,510,377.45 and 342,070.30 is: 513,105.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,006,918.30 : 1,510,377.45 = 342,070.30 : x
  2. Step 2: Convert to fraction form
    1,006,918.30/1,510,377.45 = 342,070.30/x
  3. Step 3: Cross multiply
    1,006,918.30x = 1,510,377.45 × 342,070.30
  4. Step 4: Simplify right side
    1,006,918.30x = 516,655,267,434.74
  5. Step 5: Solve for x
    x = 516,655,267,434.74/1,006,918.30
  6. Step 6: Final answer
    x = 513,105.45

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Double scale
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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.