Home / 1,462,221.96-2,017,854.90-817,643.40

Finding the Fourth Proportional to 1,462,221.96, 2,017,854.90 and 817,643.40

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Solution

The fourth proportional to 1,462,221.96, 2,017,854.90 and 817,643.40 is: 1,128,341.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,462,221.96 : 2,017,854.90 = 817,643.40 : x
  2. Step 2: Convert to fraction form
    1,462,221.96/2,017,854.90 = 817,643.40/x
  3. Step 3: Cross multiply
    1,462,221.96x = 2,017,854.90 × 817,643.40
  4. Step 4: Simplify right side
    1,462,221.96x = 1,649,885,741,142.66
  5. Step 5: Solve for x
    x = 1,649,885,741,142.66/1,462,221.96
  6. Step 6: Final answer
    x = 1,128,341.51

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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.