Home / 1,312,818.71-1,969,053.07-366,110.15

Finding the Fourth Proportional to 1,312,818.71, 1,969,053.07 and 366,110.15

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Solution

The fourth proportional to 1,312,818.71, 1,969,053.07 and 366,110.15 is: 549,116.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,312,818.71 : 1,969,053.07 = 366,110.15 : x
  2. Step 2: Convert to fraction form
    1,312,818.71/1,969,053.07 = 366,110.15/x
  3. Step 3: Cross multiply
    1,312,818.71x = 1,969,053.07 × 366,110.15
  4. Step 4: Simplify right side
    1,312,818.71x = 720,890,314,815.66
  5. Step 5: Solve for x
    x = 720,890,314,815.66/1,312,818.71
  6. Step 6: Final answer
    x = 549,116.42

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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.