Home / 1,090,335.80-1,635,503.70-557,679.80

Finding the Fourth Proportional to 1,090,335.80, 1,635,503.70 and 557,679.80

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Solution

The fourth proportional to 1,090,335.80, 1,635,503.70 and 557,679.80 is: 836,519.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,090,335.80 : 1,635,503.70 = 557,679.80 : x
  2. Step 2: Convert to fraction form
    1,090,335.80/1,635,503.70 = 557,679.80/x
  3. Step 3: Cross multiply
    1,090,335.80x = 1,635,503.70 × 557,679.80
  4. Step 4: Simplify right side
    1,090,335.80x = 912,087,376,315.26
  5. Step 5: Solve for x
    x = 912,087,376,315.26/1,090,335.80
  6. Step 6: Final answer
    x = 836,519.70

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.