Home / 1,011,359.42-1,395,718.40-581,639.88

Finding the Fourth Proportional to 1,011,359.42, 1,395,718.40 and 581,639.88

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Solution

The fourth proportional to 1,011,359.42, 1,395,718.40 and 581,639.88 is: 802,687.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,011,359.42 : 1,395,718.40 = 581,639.88 : x
  2. Step 2: Convert to fraction form
    1,011,359.42/1,395,718.40 = 581,639.88/x
  3. Step 3: Cross multiply
    1,011,359.42x = 1,395,718.40 × 581,639.88
  4. Step 4: Simplify right side
    1,011,359.42x = 811,805,479,781.59
  5. Step 5: Solve for x
    x = 811,805,479,781.59/1,011,359.42
  6. Step 6: Final answer
    x = 802,687.42

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.