Home / 1,314,827.20-1,814,461.56-711,215.20

Finding the Fourth Proportional to 1,314,827.20, 1,814,461.56 and 711,215.20

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Solution

The fourth proportional to 1,314,827.20, 1,814,461.56 and 711,215.20 is: 981,476.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,314,827.20 : 1,814,461.56 = 711,215.20 : x
  2. Step 2: Convert to fraction form
    1,314,827.20/1,814,461.56 = 711,215.20/x
  3. Step 3: Cross multiply
    1,314,827.20x = 1,814,461.56 × 711,215.20
  4. Step 4: Simplify right side
    1,314,827.20x = 1,290,472,641,287.71
  5. Step 5: Solve for x
    x = 1,290,472,641,287.71/1,314,827.20
  6. Step 6: Final answer
    x = 981,476.99

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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.