Home / 1,313,030.90-1,811,996.45-740,071.07

Finding the Fourth Proportional to 1,313,030.90, 1,811,996.45 and 740,071.07

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Solution

The fourth proportional to 1,313,030.90, 1,811,996.45 and 740,071.07 is: 1,021,305.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,313,030.90 : 1,811,996.45 = 740,071.07 : x
  2. Step 2: Convert to fraction form
    1,313,030.90/1,811,996.45 = 740,071.07/x
  3. Step 3: Cross multiply
    1,313,030.90x = 1,811,996.45 × 740,071.07
  4. Step 4: Simplify right side
    1,313,030.90x = 1,341,006,162,753.00
  5. Step 5: Solve for x
    x = 1,341,006,162,753.00/1,313,030.90
  6. Step 6: Final answer
    x = 1,021,305.87

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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.