Home / 1,427,050.56-1,969,390.08-815,304

Finding the Fourth Proportional to 1,427,050.56, 1,969,390.08 and 815,304

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Solution

The fourth proportional to 1,427,050.56, 1,969,390.08 and 815,304 is: 1,125,153.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,427,050.56 : 1,969,390.08 = 815,304 : x
  2. Step 2: Convert to fraction form
    1,427,050.56/1,969,390.08 = 815,304/x
  3. Step 3: Cross multiply
    1,427,050.56x = 1,969,390.08 × 815,304
  4. Step 4: Simplify right side
    1,427,050.56x = 1,605,651,609,784.32
  5. Step 5: Solve for x
    x = 1,605,651,609,784.32/1,427,050.56
  6. Step 6: Final answer
    x = 1,125,153.97

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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.