Home / 1,176,331.40-1,766,246.70-910,392.20

Finding the Fourth Proportional to 1,176,331.40, 1,766,246.70 and 910,392.20

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Solution

The fourth proportional to 1,176,331.40, 1,766,246.70 and 910,392.20 is: 1,366,942.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,176,331.40 : 1,766,246.70 = 910,392.20 : x
  2. Step 2: Convert to fraction form
    1,176,331.40/1,766,246.70 = 910,392.20/x
  3. Step 3: Cross multiply
    1,176,331.40x = 1,766,246.70 × 910,392.20
  4. Step 4: Simplify right side
    1,176,331.40x = 1,607,977,218,955.74
  5. Step 5: Solve for x
    x = 1,607,977,218,955.74/1,176,331.40
  6. Step 6: Final answer
    x = 1,366,942.36

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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.