Home / 1,272,557.84-1,755,544.64-1,127,510.53

Finding the Fourth Proportional to 1,272,557.84, 1,755,544.64 and 1,127,510.53

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Solution

The fourth proportional to 1,272,557.84, 1,755,544.64 and 1,127,510.53 is: 1,555,446.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,272,557.84 : 1,755,544.64 = 1,127,510.53 : x
  2. Step 2: Convert to fraction form
    1,272,557.84/1,755,544.64 = 1,127,510.53/x
  3. Step 3: Cross multiply
    1,272,557.84x = 1,755,544.64 × 1,127,510.53
  4. Step 4: Simplify right side
    1,272,557.84x = 1,979,395,067,485.06
  5. Step 5: Solve for x
    x = 1,979,395,067,485.06/1,272,557.84
  6. Step 6: Final answer
    x = 1,555,446.05

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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.