Home / 1,561,435.32-2,154,784.66-873,132.16

Finding the Fourth Proportional to 1,561,435.32, 2,154,784.66 and 873,132.16

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Solution

The fourth proportional to 1,561,435.32, 2,154,784.66 and 873,132.16 is: 1,204,924.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,561,435.32 : 2,154,784.66 = 873,132.16 : x
  2. Step 2: Convert to fraction form
    1,561,435.32/2,154,784.66 = 873,132.16/x
  3. Step 3: Cross multiply
    1,561,435.32x = 2,154,784.66 × 873,132.16
  4. Step 4: Simplify right side
    1,561,435.32x = 1,881,411,784,520.67
  5. Step 5: Solve for x
    x = 1,881,411,784,520.67/1,561,435.32
  6. Step 6: Final answer
    x = 1,204,924.57

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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.