Home / 999,425.25-1,379,206.85-540,539.87

Finding the Fourth Proportional to 999,425.25, 1,379,206.85 and 540,539.87

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Solution

The fourth proportional to 999,425.25, 1,379,206.85 and 540,539.87 is: 745,945.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    999,425.25 : 1,379,206.85 = 540,539.87 : x
  2. Step 2: Convert to fraction form
    999,425.25/1,379,206.85 = 540,539.87/x
  3. Step 3: Cross multiply
    999,425.25x = 1,379,206.85 × 540,539.87
  4. Step 4: Simplify right side
    999,425.25x = 745,516,281,803.38
  5. Step 5: Solve for x
    x = 745,516,281,803.38/999,425.25
  6. Step 6: Final answer
    x = 745,945.01

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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.