Home / 1,378,718.38-1,902,604.02-766,858.01

Finding the Fourth Proportional to 1,378,718.38, 1,902,604.02 and 766,858.01

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Solution

The fourth proportional to 1,378,718.38, 1,902,604.02 and 766,858.01 is: 1,058,248.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,378,718.38 : 1,902,604.02 = 766,858.01 : x
  2. Step 2: Convert to fraction form
    1,378,718.38/1,902,604.02 = 766,858.01/x
  3. Step 3: Cross multiply
    1,378,718.38x = 1,902,604.02 × 766,858.01
  4. Step 4: Simplify right side
    1,378,718.38x = 1,459,027,132,595.20
  5. Step 5: Solve for x
    x = 1,459,027,132,595.20/1,378,718.38
  6. Step 6: Final answer
    x = 1,058,248.85

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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.