Home / 1,044,099.70-1,566,149.55-990,186.10

Finding the Fourth Proportional to 1,044,099.70, 1,566,149.55 and 990,186.10

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Solution

The fourth proportional to 1,044,099.70, 1,566,149.55 and 990,186.10 is: 1,485,279.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,044,099.70 : 1,566,149.55 = 990,186.10 : x
  2. Step 2: Convert to fraction form
    1,044,099.70/1,566,149.55 = 990,186.10/x
  3. Step 3: Cross multiply
    1,044,099.70x = 1,566,149.55 × 990,186.10
  4. Step 4: Simplify right side
    1,044,099.70x = 1,550,779,514,931.26
  5. Step 5: Solve for x
    x = 1,550,779,514,931.26/1,044,099.70
  6. Step 6: Final answer
    x = 1,485,279.15

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Double scale
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Similar ratio
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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.