Home / 1,210,488.60-1,815,732.90-804,581.40

Finding the Fourth Proportional to 1,210,488.60, 1,815,732.90 and 804,581.40

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Solution

The fourth proportional to 1,210,488.60, 1,815,732.90 and 804,581.40 is: 1,206,872.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,210,488.60 : 1,815,732.90 = 804,581.40 : x
  2. Step 2: Convert to fraction form
    1,210,488.60/1,815,732.90 = 804,581.40/x
  3. Step 3: Cross multiply
    1,210,488.60x = 1,815,732.90 × 804,581.40
  4. Step 4: Simplify right side
    1,210,488.60x = 1,460,904,918,708.06
  5. Step 5: Solve for x
    x = 1,460,904,918,708.06/1,210,488.60
  6. Step 6: Final answer
    x = 1,206,872.10

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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.