Home / 1,337,066.57-2,005,740.45-390,439.95

Finding the Fourth Proportional to 1,337,066.57, 2,005,740.45 and 390,439.95

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Solution

The fourth proportional to 1,337,066.57, 2,005,740.45 and 390,439.95 is: 585,700.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,337,066.57 : 2,005,740.45 = 390,439.95 : x
  2. Step 2: Convert to fraction form
    1,337,066.57/2,005,740.45 = 390,439.95/x
  3. Step 3: Cross multiply
    1,337,066.57x = 2,005,740.45 × 390,439.95
  4. Step 4: Simplify right side
    1,337,066.57x = 783,121,201,010.98
  5. Step 5: Solve for x
    x = 783,121,201,010.98/1,337,066.57
  6. Step 6: Final answer
    x = 585,700.98

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1.5x scale

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.