Home / 1,377,970.50-2,066,822.10-418,434.42

Finding the Fourth Proportional to 1,377,970.50, 2,066,822.10 and 418,434.42

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Solution

The fourth proportional to 1,377,970.50, 2,066,822.10 and 418,434.42 is: 627,611.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,377,970.50 : 2,066,822.10 = 418,434.42 : x
  2. Step 2: Convert to fraction form
    1,377,970.50/2,066,822.10 = 418,434.42/x
  3. Step 3: Cross multiply
    1,377,970.50x = 2,066,822.10 × 418,434.42
  4. Step 4: Simplify right side
    1,377,970.50x = 864,829,506,656.68
  5. Step 5: Solve for x
    x = 864,829,506,656.68/1,377,970.50
  6. Step 6: Final answer
    x = 627,611.05

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.