Home / 1,313,014.76-1,969,522.19-1,013,931.57

Finding the Fourth Proportional to 1,313,014.76, 1,969,522.19 and 1,013,931.57

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Solution

The fourth proportional to 1,313,014.76, 1,969,522.19 and 1,013,931.57 is: 1,520,897.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,313,014.76 : 1,969,522.19 = 1,013,931.57 : x
  2. Step 2: Convert to fraction form
    1,313,014.76/1,969,522.19 = 1,013,931.57/x
  3. Step 3: Cross multiply
    1,313,014.76x = 1,969,522.19 × 1,013,931.57
  4. Step 4: Simplify right side
    1,313,014.76x = 1,996,960,732,374.83
  5. Step 5: Solve for x
    x = 1,996,960,732,374.83/1,313,014.76
  6. Step 6: Final answer
    x = 1,520,897.40

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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.