Home / 1,018,649.80-1,526,225.10-485,021.80

Finding the Fourth Proportional to 1,018,649.80, 1,526,225.10 and 485,021.80

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Solution

The fourth proportional to 1,018,649.80, 1,526,225.10 and 485,021.80 is: 726,699.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,018,649.80 : 1,526,225.10 = 485,021.80 : x
  2. Step 2: Convert to fraction form
    1,018,649.80/1,526,225.10 = 485,021.80/x
  3. Step 3: Cross multiply
    1,018,649.80x = 1,526,225.10 × 485,021.80
  4. Step 4: Simplify right side
    1,018,649.80x = 740,252,445,207.18
  5. Step 5: Solve for x
    x = 740,252,445,207.18/1,018,649.80
  6. Step 6: Final answer
    x = 726,699.64

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Double scale
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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.