Home / 1,447,881.03-1,998,049.23-803,287.40

Finding the Fourth Proportional to 1,447,881.03, 1,998,049.23 and 803,287.40

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Solution

The fourth proportional to 1,447,881.03, 1,998,049.23 and 803,287.40 is: 1,108,521.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,447,881.03 : 1,998,049.23 = 803,287.40 : x
  2. Step 2: Convert to fraction form
    1,447,881.03/1,998,049.23 = 803,287.40/x
  3. Step 3: Cross multiply
    1,447,881.03x = 1,998,049.23 × 803,287.40
  4. Step 4: Simplify right side
    1,447,881.03x = 1,605,007,761,048.46
  5. Step 5: Solve for x
    x = 1,605,007,761,048.46/1,447,881.03
  6. Step 6: Final answer
    x = 1,108,521.85

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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.