Home / 1,013,529.95-1,398,063.50-669,366.55

Finding the Fourth Proportional to 1,013,529.95, 1,398,063.50 and 669,366.55

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Solution

The fourth proportional to 1,013,529.95, 1,398,063.50 and 669,366.55 is: 923,324.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,013,529.95 : 1,398,063.50 = 669,366.55 : x
  2. Step 2: Convert to fraction form
    1,013,529.95/1,398,063.50 = 669,366.55/x
  3. Step 3: Cross multiply
    1,013,529.95x = 1,398,063.50 × 669,366.55
  4. Step 4: Simplify right side
    1,013,529.95x = 935,816,937,159.35
  5. Step 5: Solve for x
    x = 935,816,937,159.35/1,013,529.95
  6. Step 6: Final answer
    x = 923,324.40

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.