Home / 1,548,355.54-2,136,675.81-869,320.66

Finding the Fourth Proportional to 1,548,355.54, 2,136,675.81 and 869,320.66

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Solution

The fourth proportional to 1,548,355.54, 2,136,675.81 and 869,320.66 is: 1,199,631.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,548,355.54 : 2,136,675.81 = 869,320.66 : x
  2. Step 2: Convert to fraction form
    1,548,355.54/2,136,675.81 = 869,320.66/x
  3. Step 3: Cross multiply
    1,548,355.54x = 2,136,675.81 × 869,320.66
  4. Step 4: Simplify right side
    1,548,355.54x = 1,857,456,425,355.23
  5. Step 5: Solve for x
    x = 1,857,456,425,355.23/1,548,355.54
  6. Step 6: Final answer
    x = 1,199,631.72

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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.