Home / 1,204,637.10-1,806,955.65-921,201.90

Finding the Fourth Proportional to 1,204,637.10, 1,806,955.65 and 921,201.90

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Solution

The fourth proportional to 1,204,637.10, 1,806,955.65 and 921,201.90 is: 1,381,802.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,204,637.10 : 1,806,955.65 = 921,201.90 : x
  2. Step 2: Convert to fraction form
    1,204,637.10/1,806,955.65 = 921,201.90/x
  3. Step 3: Cross multiply
    1,204,637.10x = 1,806,955.65 × 921,201.90
  4. Step 4: Simplify right side
    1,204,637.10x = 1,664,570,977,995.74
  5. Step 5: Solve for x
    x = 1,664,570,977,995.74/1,204,637.10
  6. Step 6: Final answer
    x = 1,381,802.85

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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.