Home / 1,215,982.80-1,821,349.80-1,006,030.80

Finding the Fourth Proportional to 1,215,982.80, 1,821,349.80 and 1,006,030.80

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Solution

The fourth proportional to 1,215,982.80, 1,821,349.80 and 1,006,030.80 is: 1,506,874.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,215,982.80 : 1,821,349.80 = 1,006,030.80 : x
  2. Step 2: Convert to fraction form
    1,215,982.80/1,821,349.80 = 1,006,030.80/x
  3. Step 3: Cross multiply
    1,215,982.80x = 1,821,349.80 × 1,006,030.80
  4. Step 4: Simplify right side
    1,215,982.80x = 1,832,333,996,373.84
  5. Step 5: Solve for x
    x = 1,832,333,996,373.84/1,215,982.80
  6. Step 6: Final answer
    x = 1,506,874.93

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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.