Home / 1,440,150.54-2,160,199.08-429,957.42

Finding the Fourth Proportional to 1,440,150.54, 2,160,199.08 and 429,957.42

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Solution

The fourth proportional to 1,440,150.54, 2,160,199.08 and 429,957.42 is: 644,928.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,440,150.54 : 2,160,199.08 = 429,957.42 : x
  2. Step 2: Convert to fraction form
    1,440,150.54/2,160,199.08 = 429,957.42/x
  3. Step 3: Cross multiply
    1,440,150.54x = 2,160,199.08 × 429,957.42
  4. Step 4: Simplify right side
    1,440,150.54x = 928,793,623,123.17
  5. Step 5: Solve for x
    x = 928,793,623,123.17/1,440,150.54
  6. Step 6: Final answer
    x = 644,928.15

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1.5x scale

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.