Home / 1,345,734.81-1,857,061.89-765,034.02

Finding the Fourth Proportional to 1,345,734.81, 1,857,061.89 and 765,034.02

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Solution

The fourth proportional to 1,345,734.81, 1,857,061.89 and 765,034.02 is: 1,055,717.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,345,734.81 : 1,857,061.89 = 765,034.02 : x
  2. Step 2: Convert to fraction form
    1,345,734.81/1,857,061.89 = 765,034.02/x
  3. Step 3: Cross multiply
    1,345,734.81x = 1,857,061.89 × 765,034.02
  4. Step 4: Simplify right side
    1,345,734.81x = 1,420,715,523,095.50
  5. Step 5: Solve for x
    x = 1,420,715,523,095.50/1,345,734.81
  6. Step 6: Final answer
    x = 1,055,717.30

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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.