Home / 1,190,148.26-1,642,398.62-646,279.20

Finding the Fourth Proportional to 1,190,148.26, 1,642,398.62 and 646,279.20

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Solution

The fourth proportional to 1,190,148.26, 1,642,398.62 and 646,279.20 is: 891,862.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,190,148.26 : 1,642,398.62 = 646,279.20 : x
  2. Step 2: Convert to fraction form
    1,190,148.26/1,642,398.62 = 646,279.20/x
  3. Step 3: Cross multiply
    1,190,148.26x = 1,642,398.62 × 646,279.20
  4. Step 4: Simplify right side
    1,190,148.26x = 1,061,448,066,214.70
  5. Step 5: Solve for x
    x = 1,061,448,066,214.70/1,190,148.26
  6. Step 6: Final answer
    x = 891,862.05

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Double scale
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1.5x scale

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.