Home / 1,643,338.40-2,465,007.60-934,750.40

Finding the Fourth Proportional to 1,643,338.40, 2,465,007.60 and 934,750.40

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Solution

The fourth proportional to 1,643,338.40, 2,465,007.60 and 934,750.40 is: 1,402,125.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,643,338.40 : 2,465,007.60 = 934,750.40 : x
  2. Step 2: Convert to fraction form
    1,643,338.40/2,465,007.60 = 934,750.40/x
  3. Step 3: Cross multiply
    1,643,338.40x = 2,465,007.60 × 934,750.40
  4. Step 4: Simplify right side
    1,643,338.40x = 2,304,166,840,103.04
  5. Step 5: Solve for x
    x = 2,304,166,840,103.04/1,643,338.40
  6. Step 6: Final answer
    x = 1,402,125.60

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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.