Home / 1,046,648.20-1,572,305.10-1,004,139.40

Finding the Fourth Proportional to 1,046,648.20, 1,572,305.10 and 1,004,139.40

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Solution

The fourth proportional to 1,046,648.20, 1,572,305.10 and 1,004,139.40 is: 1,508,447.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,046,648.20 : 1,572,305.10 = 1,004,139.40 : x
  2. Step 2: Convert to fraction form
    1,046,648.20/1,572,305.10 = 1,004,139.40/x
  3. Step 3: Cross multiply
    1,046,648.20x = 1,572,305.10 × 1,004,139.40
  4. Step 4: Simplify right side
    1,046,648.20x = 1,578,813,499,730.94
  5. Step 5: Solve for x
    x = 1,578,813,499,730.94/1,046,648.20
  6. Step 6: Final answer
    x = 1,508,447.16

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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.