Home / 1,365,316.12-1,884,844.55-997,380.11

Finding the Fourth Proportional to 1,365,316.12, 1,884,844.55 and 997,380.11

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Solution

The fourth proportional to 1,365,316.12, 1,884,844.55 and 997,380.11 is: 1,376,901.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,365,316.12 : 1,884,844.55 = 997,380.11 : x
  2. Step 2: Convert to fraction form
    1,365,316.12/1,884,844.55 = 997,380.11/x
  3. Step 3: Cross multiply
    1,365,316.12x = 1,884,844.55 × 997,380.11
  4. Step 4: Simplify right side
    1,365,316.12x = 1,879,906,471,817.46
  5. Step 5: Solve for x
    x = 1,879,906,471,817.46/1,365,316.12
  6. Step 6: Final answer
    x = 1,376,901.98

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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.