Home / 1,577,007.90-2,176,271.70-851,855.58

Finding the Fourth Proportional to 1,577,007.90, 2,176,271.70 and 851,855.58

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Solution

The fourth proportional to 1,577,007.90, 2,176,271.70 and 851,855.58 is: 1,175,561.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,577,007.90 : 2,176,271.70 = 851,855.58 : x
  2. Step 2: Convert to fraction form
    1,577,007.90/2,176,271.70 = 851,855.58/x
  3. Step 3: Cross multiply
    1,577,007.90x = 2,176,271.70 × 851,855.58
  4. Step 4: Simplify right side
    1,577,007.90x = 1,853,869,191,241.09
  5. Step 5: Solve for x
    x = 1,853,869,191,241.09/1,577,007.90
  6. Step 6: Final answer
    x = 1,175,561.13

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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.