Home / 1,781,357.50-2,458,428.87-976,697.02

Finding the Fourth Proportional to 1,781,357.50, 2,458,428.87 and 976,697.02

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Solution

The fourth proportional to 1,781,357.50, 2,458,428.87 and 976,697.02 is: 1,347,927.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,781,357.50 : 2,458,428.87 = 976,697.02 : x
  2. Step 2: Convert to fraction form
    1,781,357.50/2,458,428.87 = 976,697.02/x
  3. Step 3: Cross multiply
    1,781,357.50x = 2,458,428.87 × 976,697.02
  4. Step 4: Simplify right side
    1,781,357.50x = 2,401,140,151,210.97
  5. Step 5: Solve for x
    x = 2,401,140,151,210.97/1,781,357.50
  6. Step 6: Final answer
    x = 1,347,927.16

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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.