Home / 1,087,424.69-1,501,191.51-679,753.31

Finding the Fourth Proportional to 1,087,424.69, 1,501,191.51 and 679,753.31

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Solution

The fourth proportional to 1,087,424.69, 1,501,191.51 and 679,753.31 is: 938,400.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,087,424.69 : 1,501,191.51 = 679,753.31 : x
  2. Step 2: Convert to fraction form
    1,087,424.69/1,501,191.51 = 679,753.31/x
  3. Step 3: Cross multiply
    1,087,424.69x = 1,501,191.51 × 679,753.31
  4. Step 4: Simplify right side
    1,087,424.69x = 1,020,439,897,866.40
  5. Step 5: Solve for x
    x = 1,020,439,897,866.40/1,087,424.69
  6. Step 6: Final answer
    x = 938,400.52

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.