Home / 1,551,290.40-2,326,935.60-754,128.90

Finding the Fourth Proportional to 1,551,290.40, 2,326,935.60 and 754,128.90

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Solution

The fourth proportional to 1,551,290.40, 2,326,935.60 and 754,128.90 is: 1,131,193.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,551,290.40 : 2,326,935.60 = 754,128.90 : x
  2. Step 2: Convert to fraction form
    1,551,290.40/2,326,935.60 = 754,128.90/x
  3. Step 3: Cross multiply
    1,551,290.40x = 2,326,935.60 × 754,128.90
  4. Step 4: Simplify right side
    1,551,290.40x = 1,754,809,384,398.84
  5. Step 5: Solve for x
    x = 1,754,809,384,398.84/1,551,290.40
  6. Step 6: Final answer
    x = 1,131,193.35

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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.