Home / 1,090,360.17-1,635,540.66-490,620.78

Finding the Fourth Proportional to 1,090,360.17, 1,635,540.66 and 490,620.78

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Solution

The fourth proportional to 1,090,360.17, 1,635,540.66 and 490,620.78 is: 735,931.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,090,360.17 : 1,635,540.66 = 490,620.78 : x
  2. Step 2: Convert to fraction form
    1,090,360.17/1,635,540.66 = 490,620.78/x
  3. Step 3: Cross multiply
    1,090,360.17x = 1,635,540.66 × 490,620.78
  4. Step 4: Simplify right side
    1,090,360.17x = 802,430,234,330.92
  5. Step 5: Solve for x
    x = 802,430,234,330.92/1,090,360.17
  6. Step 6: Final answer
    x = 735,931.35

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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.