Home / 1,200,100.42-1,656,002.54-710,084.98

Finding the Fourth Proportional to 1,200,100.42, 1,656,002.54 and 710,084.98

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Solution

The fourth proportional to 1,200,100.42, 1,656,002.54 and 710,084.98 is: 979,836.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,200,100.42 : 1,656,002.54 = 710,084.98 : x
  2. Step 2: Convert to fraction form
    1,200,100.42/1,656,002.54 = 710,084.98/x
  3. Step 3: Cross multiply
    1,200,100.42x = 1,656,002.54 × 710,084.98
  4. Step 4: Simplify right side
    1,200,100.42x = 1,175,902,534,341.06
  5. Step 5: Solve for x
    x = 1,175,902,534,341.06/1,200,100.42
  6. Step 6: Final answer
    x = 979,836.78

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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.