Home / 1,615,355.12-2,229,246.02-880,370.71

Finding the Fourth Proportional to 1,615,355.12, 2,229,246.02 and 880,370.71

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Solution

The fourth proportional to 1,615,355.12, 2,229,246.02 and 880,370.71 is: 1,214,942.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,615,355.12 : 2,229,246.02 = 880,370.71 : x
  2. Step 2: Convert to fraction form
    1,615,355.12/2,229,246.02 = 880,370.71/x
  3. Step 3: Cross multiply
    1,615,355.12x = 2,229,246.02 × 880,370.71
  4. Step 4: Simplify right side
    1,615,355.12x = 1,962,562,898,019.89
  5. Step 5: Solve for x
    x = 1,962,562,898,019.89/1,615,355.12
  6. Step 6: Final answer
    x = 1,214,942.07

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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.