Home / 1,200,732.10-1,657,023.37-656,856.21

Finding the Fourth Proportional to 1,200,732.10, 1,657,023.37 and 656,856.21

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Solution

The fourth proportional to 1,200,732.10, 1,657,023.37 and 656,856.21 is: 906,468.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,200,732.10 : 1,657,023.37 = 656,856.21 : x
  2. Step 2: Convert to fraction form
    1,200,732.10/1,657,023.37 = 656,856.21/x
  3. Step 3: Cross multiply
    1,200,732.10x = 1,657,023.37 × 656,856.21
  4. Step 4: Simplify right side
    1,200,732.10x = 1,088,426,089,057.49
  5. Step 5: Solve for x
    x = 1,088,426,089,057.49/1,200,732.10
  6. Step 6: Final answer
    x = 906,468.72

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.