Home / 1,055,138.94-1,456,089.66-571,717.17

Finding the Fourth Proportional to 1,055,138.94, 1,456,089.66 and 571,717.17

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Solution

The fourth proportional to 1,055,138.94, 1,456,089.66 and 571,717.17 is: 788,968.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,055,138.94 : 1,456,089.66 = 571,717.17 : x
  2. Step 2: Convert to fraction form
    1,055,138.94/1,456,089.66 = 571,717.17/x
  3. Step 3: Cross multiply
    1,055,138.94x = 1,456,089.66 × 571,717.17
  4. Step 4: Simplify right side
    1,055,138.94x = 832,471,459,681.46
  5. Step 5: Solve for x
    x = 832,471,459,681.46/1,055,138.94
  6. Step 6: Final answer
    x = 788,968.57

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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.