Home / 1,237,008.30-1,855,512.45-922,080.30

Finding the Fourth Proportional to 1,237,008.30, 1,855,512.45 and 922,080.30

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Solution

The fourth proportional to 1,237,008.30, 1,855,512.45 and 922,080.30 is: 1,383,120.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,237,008.30 : 1,855,512.45 = 922,080.30 : x
  2. Step 2: Convert to fraction form
    1,237,008.30/1,855,512.45 = 922,080.30/x
  3. Step 3: Cross multiply
    1,237,008.30x = 1,855,512.45 × 922,080.30
  4. Step 4: Simplify right side
    1,237,008.30x = 1,710,931,476,549.74
  5. Step 5: Solve for x
    x = 1,710,931,476,549.74/1,237,008.30
  6. Step 6: Final answer
    x = 1,383,120.45

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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.