Home / 1,087,516.69-1,500,531.43-657,787.59

Finding the Fourth Proportional to 1,087,516.69, 1,500,531.43 and 657,787.59

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Solution

The fourth proportional to 1,087,516.69, 1,500,531.43 and 657,787.59 is: 907,600.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,087,516.69 : 1,500,531.43 = 657,787.59 : x
  2. Step 2: Convert to fraction form
    1,087,516.69/1,500,531.43 = 657,787.59/x
  3. Step 3: Cross multiply
    1,087,516.69x = 1,500,531.43 × 657,787.59
  4. Step 4: Simplify right side
    1,087,516.69x = 987,030,953,058.95
  5. Step 5: Solve for x
    x = 987,030,953,058.95/1,087,516.69
  6. Step 6: Final answer
    x = 907,600.74

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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.