Home / 1,220,810.20-1,831,444.86-491,389.16

Finding the Fourth Proportional to 1,220,810.20, 1,831,444.86 and 491,389.16

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Solution

The fourth proportional to 1,220,810.20, 1,831,444.86 and 491,389.16 is: 737,176.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,220,810.20 : 1,831,444.86 = 491,389.16 : x
  2. Step 2: Convert to fraction form
    1,220,810.20/1,831,444.86 = 491,389.16/x
  3. Step 3: Cross multiply
    1,220,810.20x = 1,831,444.86 × 491,389.16
  4. Step 4: Simplify right side
    1,220,810.20x = 899,952,151,341.72
  5. Step 5: Solve for x
    x = 899,952,151,341.72/1,220,810.20
  6. Step 6: Final answer
    x = 737,176.14

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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.