Home / 1,137,812.74-1,706,718.57-339,073.90

Finding the Fourth Proportional to 1,137,812.74, 1,706,718.57 and 339,073.90

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Solution

The fourth proportional to 1,137,812.74, 1,706,718.57 and 339,073.90 is: 508,610.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,137,812.74 : 1,706,718.57 = 339,073.90 : x
  2. Step 2: Convert to fraction form
    1,137,812.74/1,706,718.57 = 339,073.90/x
  3. Step 3: Cross multiply
    1,137,812.74x = 1,706,718.57 × 339,073.90
  4. Step 4: Simplify right side
    1,137,812.74x = 578,703,721,732.32
  5. Step 5: Solve for x
    x = 578,703,721,732.32/1,137,812.74
  6. Step 6: Final answer
    x = 508,610.69

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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.