Home / 1,418,810.18-1,957,999.70-774,271.97

Finding the Fourth Proportional to 1,418,810.18, 1,957,999.70 and 774,271.97

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Solution

The fourth proportional to 1,418,810.18, 1,957,999.70 and 774,271.97 is: 1,068,518.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,418,810.18 : 1,957,999.70 = 774,271.97 : x
  2. Step 2: Convert to fraction form
    1,418,810.18/1,957,999.70 = 774,271.97/x
  3. Step 3: Cross multiply
    1,418,810.18x = 1,957,999.70 × 774,271.97
  4. Step 4: Simplify right side
    1,418,810.18x = 1,516,024,271,317.05
  5. Step 5: Solve for x
    x = 1,516,024,271,317.05/1,418,810.18
  6. Step 6: Final answer
    x = 1,068,518.04

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.