Home / 1,351,781.32-1,865,331.60-807,808.84

Finding the Fourth Proportional to 1,351,781.32, 1,865,331.60 and 807,808.84

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Solution

The fourth proportional to 1,351,781.32, 1,865,331.60 and 807,808.84 is: 1,114,700.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,351,781.32 : 1,865,331.60 = 807,808.84 : x
  2. Step 2: Convert to fraction form
    1,351,781.32/1,865,331.60 = 807,808.84/x
  3. Step 3: Cross multiply
    1,351,781.32x = 1,865,331.60 × 807,808.84
  4. Step 4: Simplify right side
    1,351,781.32x = 1,506,831,356,011.34
  5. Step 5: Solve for x
    x = 1,506,831,356,011.34/1,351,781.32
  6. Step 6: Final answer
    x = 1,114,700.53

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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.