Home / 1,943,139.20-2,913,326.40-744,598.40

Finding the Fourth Proportional to 1,943,139.20, 2,913,326.40 and 744,598.40

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Solution

The fourth proportional to 1,943,139.20, 2,913,326.40 and 744,598.40 is: 1,116,367.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,943,139.20 : 2,913,326.40 = 744,598.40 : x
  2. Step 2: Convert to fraction form
    1,943,139.20/2,913,326.40 = 744,598.40/x
  3. Step 3: Cross multiply
    1,943,139.20x = 2,913,326.40 × 744,598.40
  4. Step 4: Simplify right side
    1,943,139.20x = 2,169,258,176,117.76
  5. Step 5: Solve for x
    x = 2,169,258,176,117.76/1,943,139.20
  6. Step 6: Final answer
    x = 1,116,367.87

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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.