Home / 1,435,479.71-1,980,943.73-782,132.95

Finding the Fourth Proportional to 1,435,479.71, 1,980,943.73 and 782,132.95

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Solution

The fourth proportional to 1,435,479.71, 1,980,943.73 and 782,132.95 is: 1,079,333.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,435,479.71 : 1,980,943.73 = 782,132.95 : x
  2. Step 2: Convert to fraction form
    1,435,479.71/1,980,943.73 = 782,132.95/x
  3. Step 3: Cross multiply
    1,435,479.71x = 1,980,943.73 × 782,132.95
  4. Step 4: Simplify right side
    1,435,479.71x = 1,549,361,354,465.88
  5. Step 5: Solve for x
    x = 1,549,361,354,465.88/1,435,479.71
  6. Step 6: Final answer
    x = 1,079,333.51

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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.