Home / 1,249,387.24-1,724,155.38-676,427.80

Finding the Fourth Proportional to 1,249,387.24, 1,724,155.38 and 676,427.80

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Solution

The fourth proportional to 1,249,387.24, 1,724,155.38 and 676,427.80 is: 933,470.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,249,387.24 : 1,724,155.38 = 676,427.80 : x
  2. Step 2: Convert to fraction form
    1,249,387.24/1,724,155.38 = 676,427.80/x
  3. Step 3: Cross multiply
    1,249,387.24x = 1,724,155.38 × 676,427.80
  4. Step 4: Simplify right side
    1,249,387.24x = 1,166,266,630,551.56
  5. Step 5: Solve for x
    x = 1,166,266,630,551.56/1,249,387.24
  6. Step 6: Final answer
    x = 933,470.90

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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.