Home / 1,008,296.64-1,391,366.16-626,248.80

Finding the Fourth Proportional to 1,008,296.64, 1,391,366.16 and 626,248.80

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Solution

The fourth proportional to 1,008,296.64, 1,391,366.16 and 626,248.80 is: 864,171.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,008,296.64 : 1,391,366.16 = 626,248.80 : x
  2. Step 2: Convert to fraction form
    1,008,296.64/1,391,366.16 = 626,248.80/x
  3. Step 3: Cross multiply
    1,008,296.64x = 1,391,366.16 × 626,248.80
  4. Step 4: Simplify right side
    1,008,296.64x = 871,341,388,060.61
  5. Step 5: Solve for x
    x = 871,341,388,060.61/1,008,296.64
  6. Step 6: Final answer
    x = 864,171.67

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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.