Home / 1,011,514.42-1,517,490.33-538,130.98

Finding the Fourth Proportional to 1,011,514.42, 1,517,490.33 and 538,130.98

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Solution

The fourth proportional to 1,011,514.42, 1,517,490.33 and 538,130.98 is: 807,312.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,011,514.42 : 1,517,490.33 = 538,130.98 : x
  2. Step 2: Convert to fraction form
    1,011,514.42/1,517,490.33 = 538,130.98/x
  3. Step 3: Cross multiply
    1,011,514.42x = 1,517,490.33 × 538,130.98
  4. Step 4: Simplify right side
    1,011,514.42x = 816,608,558,423.42
  5. Step 5: Solve for x
    x = 816,608,558,423.42/1,011,514.42
  6. Step 6: Final answer
    x = 807,312.82

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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.