Home / 1,078,787.16-1,488,762.05-588,783.47

Finding the Fourth Proportional to 1,078,787.16, 1,488,762.05 and 588,783.47

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Solution

The fourth proportional to 1,078,787.16, 1,488,762.05 and 588,783.47 is: 812,540.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,078,787.16 : 1,488,762.05 = 588,783.47 : x
  2. Step 2: Convert to fraction form
    1,078,787.16/1,488,762.05 = 588,783.47/x
  3. Step 3: Cross multiply
    1,078,787.16x = 1,488,762.05 × 588,783.47
  4. Step 4: Simplify right side
    1,078,787.16x = 876,558,475,415.59
  5. Step 5: Solve for x
    x = 876,558,475,415.59/1,078,787.16
  6. Step 6: Final answer
    x = 812,540.70

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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.