Home / 1,086,497.50-1,631,345.72-607,663.42

Finding the Fourth Proportional to 1,086,497.50, 1,631,345.72 and 607,663.42

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Solution

The fourth proportional to 1,086,497.50, 1,631,345.72 and 607,663.42 is: 912,389.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,086,497.50 : 1,631,345.72 = 607,663.42 : x
  2. Step 2: Convert to fraction form
    1,086,497.50/1,631,345.72 = 607,663.42/x
  3. Step 3: Cross multiply
    1,086,497.50x = 1,631,345.72 × 607,663.42
  4. Step 4: Simplify right side
    1,086,497.50x = 991,309,115,718.99
  5. Step 5: Solve for x
    x = 991,309,115,718.99/1,086,497.50
  6. Step 6: Final answer
    x = 912,389.69

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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.