Home / 1,337,030.92-2,005,349.10-390,147.40

Finding the Fourth Proportional to 1,337,030.92, 2,005,349.10 and 390,147.40

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Solution

The fourth proportional to 1,337,030.92, 2,005,349.10 and 390,147.40 is: 585,163.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,337,030.92 : 2,005,349.10 = 390,147.40 : x
  2. Step 2: Convert to fraction form
    1,337,030.92/2,005,349.10 = 390,147.40/x
  3. Step 3: Cross multiply
    1,337,030.92x = 2,005,349.10 × 390,147.40
  4. Step 4: Simplify right side
    1,337,030.92x = 782,381,737,457.34
  5. Step 5: Solve for x
    x = 782,381,737,457.34/1,337,030.92
  6. Step 6: Final answer
    x = 585,163.53

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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.