Home / 779,623.20-1,169,434.80-779,623.20

Finding the Fourth Proportional to 779,623.20, 1,169,434.80 and 779,623.20

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Solution

The fourth proportional to 779,623.20, 1,169,434.80 and 779,623.20 is: 1,169,434.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    779,623.20 : 1,169,434.80 = 779,623.20 : x
  2. Step 2: Convert to fraction form
    779,623.20/1,169,434.80 = 779,623.20/x
  3. Step 3: Cross multiply
    779,623.20x = 1,169,434.80 × 779,623.20
  4. Step 4: Simplify right side
    779,623.20x = 911,718,500,967.36
  5. Step 5: Solve for x
    x = 911,718,500,967.36/779,623.20
  6. Step 6: Final answer
    x = 1,169,434.80

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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.