Home / 1,340,047.80-2,010,071.70-773,177.40

Finding the Fourth Proportional to 1,340,047.80, 2,010,071.70 and 773,177.40

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Solution

The fourth proportional to 1,340,047.80, 2,010,071.70 and 773,177.40 is: 1,159,766.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,340,047.80 : 2,010,071.70 = 773,177.40 : x
  2. Step 2: Convert to fraction form
    1,340,047.80/2,010,071.70 = 773,177.40/x
  3. Step 3: Cross multiply
    1,340,047.80x = 2,010,071.70 × 773,177.40
  4. Step 4: Simplify right side
    1,340,047.80x = 1,554,142,010,819.58
  5. Step 5: Solve for x
    x = 1,554,142,010,819.58/1,340,047.80
  6. Step 6: Final answer
    x = 1,159,766.10

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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.