Home / 869,148.90-1,303,723.35-820,160.10

Finding the Fourth Proportional to 869,148.90, 1,303,723.35 and 820,160.10

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Solution

The fourth proportional to 869,148.90, 1,303,723.35 and 820,160.10 is: 1,230,240.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    869,148.90 : 1,303,723.35 = 820,160.10 : x
  2. Step 2: Convert to fraction form
    869,148.90/1,303,723.35 = 820,160.10/x
  3. Step 3: Cross multiply
    869,148.90x = 1,303,723.35 × 820,160.10
  4. Step 4: Simplify right side
    869,148.90x = 1,069,261,873,108.34
  5. Step 5: Solve for x
    x = 1,069,261,873,108.34/869,148.90
  6. Step 6: Final answer
    x = 1,230,240.15

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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.