Home / 1,062,595.80-1,593,893.70-431,962.20

Finding the Fourth Proportional to 1,062,595.80, 1,593,893.70 and 431,962.20

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Solution

The fourth proportional to 1,062,595.80, 1,593,893.70 and 431,962.20 is: 647,943.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,062,595.80 : 1,593,893.70 = 431,962.20 : x
  2. Step 2: Convert to fraction form
    1,062,595.80/1,593,893.70 = 431,962.20/x
  3. Step 3: Cross multiply
    1,062,595.80x = 1,593,893.70 × 431,962.20
  4. Step 4: Simplify right side
    1,062,595.80x = 688,501,829,218.14
  5. Step 5: Solve for x
    x = 688,501,829,218.14/1,062,595.80
  6. Step 6: Final answer
    x = 647,943.30

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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.