Home / 1,442,741.30-1,990,809.87-831,094.10

Finding the Fourth Proportional to 1,442,741.30, 1,990,809.87 and 831,094.10

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Solution

The fourth proportional to 1,442,741.30, 1,990,809.87 and 831,094.10 is: 1,146,810.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,442,741.30 : 1,990,809.87 = 831,094.10 : x
  2. Step 2: Convert to fraction form
    1,442,741.30/1,990,809.87 = 831,094.10/x
  3. Step 3: Cross multiply
    1,442,741.30x = 1,990,809.87 × 831,094.10
  4. Step 4: Simplify right side
    1,442,741.30x = 1,654,550,337,178.77
  5. Step 5: Solve for x
    x = 1,654,550,337,178.77/1,442,741.30
  6. Step 6: Final answer
    x = 1,146,810.13

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.