Home / 1,812,095.74-2,720,243.40-972,287.74

Finding the Fourth Proportional to 1,812,095.74, 2,720,243.40 and 972,287.74

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Solution

The fourth proportional to 1,812,095.74, 2,720,243.40 and 972,287.74 is: 1,459,558.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,812,095.74 : 2,720,243.40 = 972,287.74 : x
  2. Step 2: Convert to fraction form
    1,812,095.74/2,720,243.40 = 972,287.74/x
  3. Step 3: Cross multiply
    1,812,095.74x = 2,720,243.40 × 972,287.74
  4. Step 4: Simplify right side
    1,812,095.74x = 2,644,859,307,635.92
  5. Step 5: Solve for x
    x = 2,644,859,307,635.92/1,812,095.74
  6. Step 6: Final answer
    x = 1,459,558.26

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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.