Home / 1,728,909.40-2,385,925.60-954,631.20

Finding the Fourth Proportional to 1,728,909.40, 2,385,925.60 and 954,631.20

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Solution

The fourth proportional to 1,728,909.40, 2,385,925.60 and 954,631.20 is: 1,317,407.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,728,909.40 : 2,385,925.60 = 954,631.20 : x
  2. Step 2: Convert to fraction form
    1,728,909.40/2,385,925.60 = 954,631.20/x
  3. Step 3: Cross multiply
    1,728,909.40x = 2,385,925.60 × 954,631.20
  4. Step 4: Simplify right side
    1,728,909.40x = 2,277,679,018,638.72
  5. Step 5: Solve for x
    x = 2,277,679,018,638.72/1,728,909.40
  6. Step 6: Final answer
    x = 1,317,407.97

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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.