Home / 1,105,574.08-1,657,311.24-432,087.40

Finding the Fourth Proportional to 1,105,574.08, 1,657,311.24 and 432,087.40

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Solution

The fourth proportional to 1,105,574.08, 1,657,311.24 and 432,087.40 is: 647,720.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,105,574.08 : 1,657,311.24 = 432,087.40 : x
  2. Step 2: Convert to fraction form
    1,105,574.08/1,657,311.24 = 432,087.40/x
  3. Step 3: Cross multiply
    1,105,574.08x = 1,657,311.24 × 432,087.40
  4. Step 4: Simplify right side
    1,105,574.08x = 716,103,304,682.38
  5. Step 5: Solve for x
    x = 716,103,304,682.38/1,105,574.08
  6. Step 6: Final answer
    x = 647,720.78

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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.