Home / 1,182,506.72-1,631,859.36-645,962.72

Finding the Fourth Proportional to 1,182,506.72, 1,631,859.36 and 645,962.72

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Solution

The fourth proportional to 1,182,506.72, 1,631,859.36 and 645,962.72 is: 891,428.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,182,506.72 : 1,631,859.36 = 645,962.72 : x
  2. Step 2: Convert to fraction form
    1,182,506.72/1,631,859.36 = 645,962.72/x
  3. Step 3: Cross multiply
    1,182,506.72x = 1,631,859.36 × 645,962.72
  4. Step 4: Simplify right side
    1,182,506.72x = 1,054,120,310,843.06
  5. Step 5: Solve for x
    x = 1,054,120,310,843.06/1,182,506.72
  6. Step 6: Final answer
    x = 891,428.60

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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.