Home / 1,306,800.80-1,803,580.32-797,798.72

Finding the Fourth Proportional to 1,306,800.80, 1,803,580.32 and 797,798.72

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Solution

The fourth proportional to 1,306,800.80, 1,803,580.32 and 797,798.72 is: 1,101,081.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,306,800.80 : 1,803,580.32 = 797,798.72 : x
  2. Step 2: Convert to fraction form
    1,306,800.80/1,803,580.32 = 797,798.72/x
  3. Step 3: Cross multiply
    1,306,800.80x = 1,803,580.32 × 797,798.72
  4. Step 4: Simplify right side
    1,306,800.80x = 1,438,894,070,713.19
  5. Step 5: Solve for x
    x = 1,438,894,070,713.19/1,306,800.80
  6. Step 6: Final answer
    x = 1,101,081.41

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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.