Home / 1,787,547.87-2,681,338.20-1,273,042.45

Finding the Fourth Proportional to 1,787,547.87, 2,681,338.20 and 1,273,042.45

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Solution

The fourth proportional to 1,787,547.87, 2,681,338.20 and 1,273,042.45 is: 1,909,575.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,787,547.87 : 2,681,338.20 = 1,273,042.45 : x
  2. Step 2: Convert to fraction form
    1,787,547.87/2,681,338.20 = 1,273,042.45/x
  3. Step 3: Cross multiply
    1,787,547.87x = 2,681,338.20 × 1,273,042.45
  4. Step 4: Simplify right side
    1,787,547.87x = 3,413,457,351,406.59
  5. Step 5: Solve for x
    x = 3,413,457,351,406.59/1,787,547.87
  6. Step 6: Final answer
    x = 1,909,575.35

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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.