Home / 1,078,038.80-1,487,711.42-588,008.48

Finding the Fourth Proportional to 1,078,038.80, 1,487,711.42 and 588,008.48

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Solution

The fourth proportional to 1,078,038.80, 1,487,711.42 and 588,008.48 is: 811,461.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,078,038.80 : 1,487,711.42 = 588,008.48 : x
  2. Step 2: Convert to fraction form
    1,078,038.80/1,487,711.42 = 588,008.48/x
  3. Step 3: Cross multiply
    1,078,038.80x = 1,487,711.42 × 588,008.48
  4. Step 4: Simplify right side
    1,078,038.80x = 874,786,920,374.24
  5. Step 5: Solve for x
    x = 874,786,920,374.24/1,078,038.80
  6. Step 6: Final answer
    x = 811,461.45

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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.