Home / 1,462,220.96-2,017,853.52-817,642.40

Finding the Fourth Proportional to 1,462,220.96, 2,017,853.52 and 817,642.40

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Solution

The fourth proportional to 1,462,220.96, 2,017,853.52 and 817,642.40 is: 1,128,340.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,462,220.96 : 2,017,853.52 = 817,642.40 : x
  2. Step 2: Convert to fraction form
    1,462,220.96/2,017,853.52 = 817,642.40/x
  3. Step 3: Cross multiply
    1,462,220.96x = 2,017,853.52 × 817,642.40
  4. Step 4: Simplify right side
    1,462,220.96x = 1,649,882,594,941.25
  5. Step 5: Solve for x
    x = 1,649,882,594,941.25/1,462,220.96
  6. Step 6: Final answer
    x = 1,128,340.13

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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.