Home / 1,053,801.23-1,454,280.91-645,824.25

Finding the Fourth Proportional to 1,053,801.23, 1,454,280.91 and 645,824.25

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Solution

The fourth proportional to 1,053,801.23, 1,454,280.91 and 645,824.25 is: 891,259.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,053,801.23 : 1,454,280.91 = 645,824.25 : x
  2. Step 2: Convert to fraction form
    1,053,801.23/1,454,280.91 = 645,824.25/x
  3. Step 3: Cross multiply
    1,053,801.23x = 1,454,280.91 × 645,824.25
  4. Step 4: Simplify right side
    1,053,801.23x = 939,209,876,375.51
  5. Step 5: Solve for x
    x = 939,209,876,375.51/1,053,801.23
  6. Step 6: Final answer
    x = 891,259.04

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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.