Home / 1,249,184.64-1,723,470.72-765,244.80

Finding the Fourth Proportional to 1,249,184.64, 1,723,470.72 and 765,244.80

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Solution

The fourth proportional to 1,249,184.64, 1,723,470.72 and 765,244.80 is: 1,055,790.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,249,184.64 : 1,723,470.72 = 765,244.80 : x
  2. Step 2: Convert to fraction form
    1,249,184.64/1,723,470.72 = 765,244.80/x
  3. Step 3: Cross multiply
    1,249,184.64x = 1,723,470.72 × 765,244.80
  4. Step 4: Simplify right side
    1,249,184.64x = 1,318,877,006,432.26
  5. Step 5: Solve for x
    x = 1,318,877,006,432.26/1,249,184.64
  6. Step 6: Final answer
    x = 1,055,790.28

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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.