Home / 1,370,276.16-1,891,743.04-826,549.12

Finding the Fourth Proportional to 1,370,276.16, 1,891,743.04 and 826,549.12

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Solution

The fourth proportional to 1,370,276.16, 1,891,743.04 and 826,549.12 is: 1,141,097.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,370,276.16 : 1,891,743.04 = 826,549.12 : x
  2. Step 2: Convert to fraction form
    1,370,276.16/1,891,743.04 = 826,549.12/x
  3. Step 3: Cross multiply
    1,370,276.16x = 1,891,743.04 × 826,549.12
  4. Step 4: Simplify right side
    1,370,276.16x = 1,563,618,544,978.12
  5. Step 5: Solve for x
    x = 1,563,618,544,978.12/1,370,276.16
  6. Step 6: Final answer
    x = 1,141,097.39

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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.