Home / 1,276,471.20-1,761,036.48-732,410.40

Finding the Fourth Proportional to 1,276,471.20, 1,761,036.48 and 732,410.40

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Solution

The fourth proportional to 1,276,471.20, 1,761,036.48 and 732,410.40 is: 1,010,443.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,276,471.20 : 1,761,036.48 = 732,410.40 : x
  2. Step 2: Convert to fraction form
    1,276,471.20/1,761,036.48 = 732,410.40/x
  3. Step 3: Cross multiply
    1,276,471.20x = 1,761,036.48 × 732,410.40
  4. Step 4: Simplify right side
    1,276,471.20x = 1,289,801,432,731.39
  5. Step 5: Solve for x
    x = 1,289,801,432,731.39/1,276,471.20
  6. Step 6: Final answer
    x = 1,010,443.03

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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.