Home / 917,348.60-1,376,022.90-678,200.15

Finding the Fourth Proportional to 917,348.60, 1,376,022.90 and 678,200.15

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Solution

The fourth proportional to 917,348.60, 1,376,022.90 and 678,200.15 is: 1,017,300.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    917,348.60 : 1,376,022.90 = 678,200.15 : x
  2. Step 2: Convert to fraction form
    917,348.60/1,376,022.90 = 678,200.15/x
  3. Step 3: Cross multiply
    917,348.60x = 1,376,022.90 × 678,200.15
  4. Step 4: Simplify right side
    917,348.60x = 933,218,937,183.44
  5. Step 5: Solve for x
    x = 933,218,937,183.44/917,348.60
  6. Step 6: Final answer
    x = 1,017,300.23

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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.