Home / 1,341,325.70-2,011,988.55-442,906.10

Finding the Fourth Proportional to 1,341,325.70, 2,011,988.55 and 442,906.10

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Solution

The fourth proportional to 1,341,325.70, 2,011,988.55 and 442,906.10 is: 664,359.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,341,325.70 : 2,011,988.55 = 442,906.10 : x
  2. Step 2: Convert to fraction form
    1,341,325.70/2,011,988.55 = 442,906.10/x
  3. Step 3: Cross multiply
    1,341,325.70x = 2,011,988.55 × 442,906.10
  4. Step 4: Simplify right side
    1,341,325.70x = 891,122,001,925.16
  5. Step 5: Solve for x
    x = 891,122,001,925.16/1,341,325.70
  6. Step 6: Final answer
    x = 664,359.15

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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.