Home / 1,011,510.80-1,517,484.89-538,127.36

Finding the Fourth Proportional to 1,011,510.80, 1,517,484.89 and 538,127.36

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Solution

The fourth proportional to 1,011,510.80, 1,517,484.89 and 538,127.36 is: 807,307.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,011,510.80 : 1,517,484.89 = 538,127.36 : x
  2. Step 2: Convert to fraction form
    1,011,510.80/1,517,484.89 = 538,127.36/x
  3. Step 3: Cross multiply
    1,011,510.80x = 1,517,484.89 × 538,127.36
  4. Step 4: Simplify right side
    1,011,510.80x = 816,600,131,453.48
  5. Step 5: Solve for x
    x = 816,600,131,453.48/1,011,510.80
  6. Step 6: Final answer
    x = 807,307.38

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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.