Home / 1,266,877.35-1,748,319.15-723,002.31

Finding the Fourth Proportional to 1,266,877.35, 1,748,319.15 and 723,002.31

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Solution

The fourth proportional to 1,266,877.35, 1,748,319.15 and 723,002.31 is: 997,759.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,266,877.35 : 1,748,319.15 = 723,002.31 : x
  2. Step 2: Convert to fraction form
    1,266,877.35/1,748,319.15 = 723,002.31/x
  3. Step 3: Cross multiply
    1,266,877.35x = 1,748,319.15 × 723,002.31
  4. Step 4: Simplify right side
    1,266,877.35x = 1,264,038,784,067.24
  5. Step 5: Solve for x
    x = 1,264,038,784,067.24/1,266,877.35
  6. Step 6: Final answer
    x = 997,759.40

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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.