Home / 1,775,139.60-2,660,959.80-875,845.20

Finding the Fourth Proportional to 1,775,139.60, 2,660,959.80 and 875,845.20

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Solution

The fourth proportional to 1,775,139.60, 2,660,959.80 and 875,845.20 is: 1,312,904.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,775,139.60 : 2,660,959.80 = 875,845.20 : x
  2. Step 2: Convert to fraction form
    1,775,139.60/2,660,959.80 = 875,845.20/x
  3. Step 3: Cross multiply
    1,775,139.60x = 2,660,959.80 × 875,845.20
  4. Step 4: Simplify right side
    1,775,139.60x = 2,330,588,868,222.96
  5. Step 5: Solve for x
    x = 2,330,588,868,222.96/1,775,139.60
  6. Step 6: Final answer
    x = 1,312,904.56

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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.