Home / 1,031,521.70-1,544,330.10-913,423.70

Finding the Fourth Proportional to 1,031,521.70, 1,544,330.10 and 913,423.70

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Solution

The fourth proportional to 1,031,521.70, 1,544,330.10 and 913,423.70 is: 1,367,521.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,031,521.70 : 1,544,330.10 = 913,423.70 : x
  2. Step 2: Convert to fraction form
    1,031,521.70/1,544,330.10 = 913,423.70/x
  3. Step 3: Cross multiply
    1,031,521.70x = 1,544,330.10 × 913,423.70
  4. Step 4: Simplify right side
    1,031,521.70x = 1,410,627,713,963.37
  5. Step 5: Solve for x
    x = 1,410,627,713,963.37/1,031,521.70
  6. Step 6: Final answer
    x = 1,367,521.12

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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.