Home / 1,252,569.28-1,878,976.90-354,017.92

Finding the Fourth Proportional to 1,252,569.28, 1,878,976.90 and 354,017.92

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Solution

The fourth proportional to 1,252,569.28, 1,878,976.90 and 354,017.92 is: 531,061.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,252,569.28 : 1,878,976.90 = 354,017.92 : x
  2. Step 2: Convert to fraction form
    1,252,569.28/1,878,976.90 = 354,017.92/x
  3. Step 3: Cross multiply
    1,252,569.28x = 1,878,976.90 × 354,017.92
  4. Step 4: Simplify right side
    1,252,569.28x = 665,191,493,866.05
  5. Step 5: Solve for x
    x = 665,191,493,866.05/1,252,569.28
  6. Step 6: Final answer
    x = 531,061.64

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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.