Home / 1,418,601.60-2,127,902.40-421,329.60

Finding the Fourth Proportional to 1,418,601.60, 2,127,902.40 and 421,329.60

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Solution

The fourth proportional to 1,418,601.60, 2,127,902.40 and 421,329.60 is: 631,994.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,418,601.60 : 2,127,902.40 = 421,329.60 : x
  2. Step 2: Convert to fraction form
    1,418,601.60/2,127,902.40 = 421,329.60/x
  3. Step 3: Cross multiply
    1,418,601.60x = 2,127,902.40 × 421,329.60
  4. Step 4: Simplify right side
    1,418,601.60x = 896,548,267,031.04
  5. Step 5: Solve for x
    x = 896,548,267,031.04/1,418,601.60
  6. Step 6: Final answer
    x = 631,994.40

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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.