Home / 1,113,866.40-1,670,799.60-272,407.20

Finding the Fourth Proportional to 1,113,866.40, 1,670,799.60 and 272,407.20

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Solution

The fourth proportional to 1,113,866.40, 1,670,799.60 and 272,407.20 is: 408,610.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,113,866.40 : 1,670,799.60 = 272,407.20 : x
  2. Step 2: Convert to fraction form
    1,113,866.40/1,670,799.60 = 272,407.20/x
  3. Step 3: Cross multiply
    1,113,866.40x = 1,670,799.60 × 272,407.20
  4. Step 4: Simplify right side
    1,113,866.40x = 455,137,840,797.12
  5. Step 5: Solve for x
    x = 455,137,840,797.12/1,113,866.40
  6. Step 6: Final answer
    x = 408,610.80

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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.