Home / 1,214,987.70-1,821,315.15-944,966.10

Finding the Fourth Proportional to 1,214,987.70, 1,821,315.15 and 944,966.10

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Solution

The fourth proportional to 1,214,987.70, 1,821,315.15 and 944,966.10 is: 1,416,541.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,214,987.70 : 1,821,315.15 = 944,966.10 : x
  2. Step 2: Convert to fraction form
    1,214,987.70/1,821,315.15 = 944,966.10/x
  3. Step 3: Cross multiply
    1,214,987.70x = 1,821,315.15 × 944,966.10
  4. Step 4: Simplify right side
    1,214,987.70x = 1,721,081,074,166.41
  5. Step 5: Solve for x
    x = 1,721,081,074,166.41/1,214,987.70
  6. Step 6: Final answer
    x = 1,416,541.97

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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.