Home / 843,306.60-1,264,959.90-559,871.40

Finding the Fourth Proportional to 843,306.60, 1,264,959.90 and 559,871.40

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Solution

The fourth proportional to 843,306.60, 1,264,959.90 and 559,871.40 is: 839,807.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    843,306.60 : 1,264,959.90 = 559,871.40 : x
  2. Step 2: Convert to fraction form
    843,306.60/1,264,959.90 = 559,871.40/x
  3. Step 3: Cross multiply
    843,306.60x = 1,264,959.90 × 559,871.40
  4. Step 4: Simplify right side
    843,306.60x = 708,214,870,156.86
  5. Step 5: Solve for x
    x = 708,214,870,156.86/843,306.60
  6. Step 6: Final answer
    x = 839,807.10

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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.