Home / 1,354,465.20-2,029,854.60-960,020.40

Finding the Fourth Proportional to 1,354,465.20, 2,029,854.60 and 960,020.40

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Solution

The fourth proportional to 1,354,465.20, 2,029,854.60 and 960,020.40 is: 1,438,724.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,354,465.20 : 2,029,854.60 = 960,020.40 : x
  2. Step 2: Convert to fraction form
    1,354,465.20/2,029,854.60 = 960,020.40/x
  3. Step 3: Cross multiply
    1,354,465.20x = 2,029,854.60 × 960,020.40
  4. Step 4: Simplify right side
    1,354,465.20x = 1,948,701,825,033.84
  5. Step 5: Solve for x
    x = 1,948,701,825,033.84/1,354,465.20
  6. Step 6: Final answer
    x = 1,438,724.17

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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.