Home / 1,495,470.65-2,063,738.97-816,407.15

Finding the Fourth Proportional to 1,495,470.65, 2,063,738.97 and 816,407.15

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Solution

The fourth proportional to 1,495,470.65, 2,063,738.97 and 816,407.15 is: 1,126,636.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,495,470.65 : 2,063,738.97 = 816,407.15 : x
  2. Step 2: Convert to fraction form
    1,495,470.65/2,063,738.97 = 816,407.15/x
  3. Step 3: Cross multiply
    1,495,470.65x = 2,063,738.97 × 816,407.15
  4. Step 4: Simplify right side
    1,495,470.65x = 1,684,851,240,522.94
  5. Step 5: Solve for x
    x = 1,684,851,240,522.94/1,495,470.65
  6. Step 6: Final answer
    x = 1,126,636.12

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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.