Home / 1,320,963.76-1,823,488.02-891,825.16

Finding the Fourth Proportional to 1,320,963.76, 1,823,488.02 and 891,825.16

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Solution

The fourth proportional to 1,320,963.76, 1,823,488.02 and 891,825.16 is: 1,231,095.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,320,963.76 : 1,823,488.02 = 891,825.16 : x
  2. Step 2: Convert to fraction form
    1,320,963.76/1,823,488.02 = 891,825.16/x
  3. Step 3: Cross multiply
    1,320,963.76x = 1,823,488.02 × 891,825.16
  4. Step 4: Simplify right side
    1,320,963.76x = 1,626,232,495,194.58
  5. Step 5: Solve for x
    x = 1,626,232,495,194.58/1,320,963.76
  6. Step 6: Final answer
    x = 1,231,095.47

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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.