Home / 1,439,557.28-2,160,646.32-766,203.92

Finding the Fourth Proportional to 1,439,557.28, 2,160,646.32 and 766,203.92

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Solution

The fourth proportional to 1,439,557.28, 2,160,646.32 and 766,203.92 is: 1,150,003.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,439,557.28 : 2,160,646.32 = 766,203.92 : x
  2. Step 2: Convert to fraction form
    1,439,557.28/2,160,646.32 = 766,203.92/x
  3. Step 3: Cross multiply
    1,439,557.28x = 2,160,646.32 × 766,203.92
  4. Step 4: Simplify right side
    1,439,557.28x = 1,655,495,680,117.57
  5. Step 5: Solve for x
    x = 1,655,495,680,117.57/1,439,557.28
  6. Step 6: Final answer
    x = 1,150,003.34

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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.