Home / 1,220,009.28-1,830,244.20-462,077.70

Finding the Fourth Proportional to 1,220,009.28, 1,830,244.20 and 462,077.70

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Solution

The fourth proportional to 1,220,009.28, 1,830,244.20 and 462,077.70 is: 693,203.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,220,009.28 : 1,830,244.20 = 462,077.70 : x
  2. Step 2: Convert to fraction form
    1,220,009.28/1,830,244.20 = 462,077.70/x
  3. Step 3: Cross multiply
    1,220,009.28x = 1,830,244.20 × 462,077.70
  4. Step 4: Simplify right side
    1,220,009.28x = 845,715,030,374.34
  5. Step 5: Solve for x
    x = 845,715,030,374.34/1,220,009.28
  6. Step 6: Final answer
    x = 693,203.77

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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.