Home / 779,426.40-1,169,139.60-735,880.80

Finding the Fourth Proportional to 779,426.40, 1,169,139.60 and 735,880.80

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Solution

The fourth proportional to 779,426.40, 1,169,139.60 and 735,880.80 is: 1,103,821.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    779,426.40 : 1,169,139.60 = 735,880.80 : x
  2. Step 2: Convert to fraction form
    779,426.40/1,169,139.60 = 735,880.80/x
  3. Step 3: Cross multiply
    779,426.40x = 1,169,139.60 × 735,880.80
  4. Step 4: Simplify right side
    779,426.40x = 860,347,384,159.68
  5. Step 5: Solve for x
    x = 860,347,384,159.68/779,426.40
  6. Step 6: Final answer
    x = 1,103,821.20

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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.