Home / 1,328,614.40-1,992,921.60-974,320.40

Finding the Fourth Proportional to 1,328,614.40, 1,992,921.60 and 974,320.40

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Solution

The fourth proportional to 1,328,614.40, 1,992,921.60 and 974,320.40 is: 1,461,480.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,328,614.40 : 1,992,921.60 = 974,320.40 : x
  2. Step 2: Convert to fraction form
    1,328,614.40/1,992,921.60 = 974,320.40/x
  3. Step 3: Cross multiply
    1,328,614.40x = 1,992,921.60 × 974,320.40
  4. Step 4: Simplify right side
    1,328,614.40x = 1,941,744,170,480.64
  5. Step 5: Solve for x
    x = 1,941,744,170,480.64/1,328,614.40
  6. Step 6: Final answer
    x = 1,461,480.60

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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.