Home / 1,532,739.60-2,115,021.85-943,945.88

Finding the Fourth Proportional to 1,532,739.60, 2,115,021.85 and 943,945.88

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Solution

The fourth proportional to 1,532,739.60, 2,115,021.85 and 943,945.88 is: 1,302,547.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,532,739.60 : 2,115,021.85 = 943,945.88 : x
  2. Step 2: Convert to fraction form
    1,532,739.60/2,115,021.85 = 943,945.88/x
  3. Step 3: Cross multiply
    1,532,739.60x = 2,115,021.85 × 943,945.88
  4. Step 4: Simplify right side
    1,532,739.60x = 1,996,466,148,482.50
  5. Step 5: Solve for x
    x = 1,996,466,148,482.50/1,532,739.60
  6. Step 6: Final answer
    x = 1,302,547.51

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.