Home / 1,011,708.65-1,517,118.28-538,281.47

Finding the Fourth Proportional to 1,011,708.65, 1,517,118.28 and 538,281.47

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Solution

The fourth proportional to 1,011,708.65, 1,517,118.28 and 538,281.47 is: 807,185.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,011,708.65 : 1,517,118.28 = 538,281.47 : x
  2. Step 2: Convert to fraction form
    1,011,708.65/1,517,118.28 = 538,281.47/x
  3. Step 3: Cross multiply
    1,011,708.65x = 1,517,118.28 × 538,281.47
  4. Step 4: Simplify right side
    1,011,708.65x = 816,636,660,369.36
  5. Step 5: Solve for x
    x = 816,636,660,369.36/1,011,708.65
  6. Step 6: Final answer
    x = 807,185.60

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.