Home / 1,141,837.09-1,575,741.20-645,123.22

Finding the Fourth Proportional to 1,141,837.09, 1,575,741.20 and 645,123.22

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Solution

The fourth proportional to 1,141,837.09, 1,575,741.20 and 645,123.22 is: 890,273.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,141,837.09 : 1,575,741.20 = 645,123.22 : x
  2. Step 2: Convert to fraction form
    1,141,837.09/1,575,741.20 = 645,123.22/x
  3. Step 3: Cross multiply
    1,141,837.09x = 1,575,741.20 × 645,123.22
  4. Step 4: Simplify right side
    1,141,837.09x = 1,016,547,229,665.70
  5. Step 5: Solve for x
    x = 1,016,547,229,665.70/1,141,837.09
  6. Step 6: Final answer
    x = 890,273.44

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1.5x scale

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.