Home / 1,771,521.80-2,657,282.70-1,230,312.20

Finding the Fourth Proportional to 1,771,521.80, 2,657,282.70 and 1,230,312.20

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Solution

The fourth proportional to 1,771,521.80, 2,657,282.70 and 1,230,312.20 is: 1,845,468.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,771,521.80 : 2,657,282.70 = 1,230,312.20 : x
  2. Step 2: Convert to fraction form
    1,771,521.80/2,657,282.70 = 1,230,312.20/x
  3. Step 3: Cross multiply
    1,771,521.80x = 2,657,282.70 × 1,230,312.20
  4. Step 4: Simplify right side
    1,771,521.80x = 3,269,287,324,658.94
  5. Step 5: Solve for x
    x = 3,269,287,324,658.94/1,771,521.80
  6. Step 6: Final answer
    x = 1,845,468.30

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.