Home / 1,743,931.20-2,406,345.12-979,982.40

Finding the Fourth Proportional to 1,743,931.20, 2,406,345.12 and 979,982.40

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Solution

The fourth proportional to 1,743,931.20, 2,406,345.12 and 979,982.40 is: 1,352,218.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,743,931.20 : 2,406,345.12 = 979,982.40 : x
  2. Step 2: Convert to fraction form
    1,743,931.20/2,406,345.12 = 979,982.40/x
  3. Step 3: Cross multiply
    1,743,931.20x = 2,406,345.12 × 979,982.40
  4. Step 4: Simplify right side
    1,743,931.20x = 2,358,175,865,925.89
  5. Step 5: Solve for x
    x = 2,358,175,865,925.89/1,743,931.20
  6. Step 6: Final answer
    x = 1,352,218.41

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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.