Home / 999,114.62-1,378,775.23-540,225.92

Finding the Fourth Proportional to 999,114.62, 1,378,775.23 and 540,225.92

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Solution

The fourth proportional to 999,114.62, 1,378,775.23 and 540,225.92 is: 745,510.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    999,114.62 : 1,378,775.23 = 540,225.92 : x
  2. Step 2: Convert to fraction form
    999,114.62/1,378,775.23 = 540,225.92/x
  3. Step 3: Cross multiply
    999,114.62x = 1,378,775.23 × 540,225.92
  4. Step 4: Simplify right side
    999,114.62x = 744,850,117,099.96
  5. Step 5: Solve for x
    x = 744,850,117,099.96/999,114.62
  6. Step 6: Final answer
    x = 745,510.18

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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.