Home / 1,521,122.36-2,281,988.02-561,583.80

Finding the Fourth Proportional to 1,521,122.36, 2,281,988.02 and 561,583.80

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Solution

The fourth proportional to 1,521,122.36, 2,281,988.02 and 561,583.80 is: 842,488.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,521,122.36 : 2,281,988.02 = 561,583.80 : x
  2. Step 2: Convert to fraction form
    1,521,122.36/2,281,988.02 = 561,583.80/x
  3. Step 3: Cross multiply
    1,521,122.36x = 2,281,988.02 × 561,583.80
  4. Step 4: Simplify right side
    1,521,122.36x = 1,281,527,502,422.12
  5. Step 5: Solve for x
    x = 1,281,527,502,422.12/1,521,122.36
  6. Step 6: Final answer
    x = 842,488.11

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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.