Home / 1,210,034.30-1,815,051.45-811,903.10

Finding the Fourth Proportional to 1,210,034.30, 1,815,051.45 and 811,903.10

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Solution

The fourth proportional to 1,210,034.30, 1,815,051.45 and 811,903.10 is: 1,217,854.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,210,034.30 : 1,815,051.45 = 811,903.10 : x
  2. Step 2: Convert to fraction form
    1,210,034.30/1,815,051.45 = 811,903.10/x
  3. Step 3: Cross multiply
    1,210,034.30x = 1,815,051.45 × 811,903.10
  4. Step 4: Simplify right side
    1,210,034.30x = 1,473,645,898,914.50
  5. Step 5: Solve for x
    x = 1,473,645,898,914.50/1,210,034.30
  6. Step 6: Final answer
    x = 1,217,854.65

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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.