Home / 1,100,886.40-1,649,774.40-814,340.80

Finding the Fourth Proportional to 1,100,886.40, 1,649,774.40 and 814,340.80

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Solution

The fourth proportional to 1,100,886.40, 1,649,774.40 and 814,340.80 is: 1,220,360.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,100,886.40 : 1,649,774.40 = 814,340.80 : x
  2. Step 2: Convert to fraction form
    1,100,886.40/1,649,774.40 = 814,340.80/x
  3. Step 3: Cross multiply
    1,100,886.40x = 1,649,774.40 × 814,340.80
  4. Step 4: Simplify right side
    1,100,886.40x = 1,343,478,604,715.52
  5. Step 5: Solve for x
    x = 1,343,478,604,715.52/1,100,886.40
  6. Step 6: Final answer
    x = 1,220,360.80

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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.