Home / 1,218,883.14-1,828,635.75-772,774.02

Finding the Fourth Proportional to 1,218,883.14, 1,828,635.75 and 772,774.02

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Solution

The fourth proportional to 1,218,883.14, 1,828,635.75 and 772,774.02 is: 1,159,358.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,218,883.14 : 1,828,635.75 = 772,774.02 : x
  2. Step 2: Convert to fraction form
    1,218,883.14/1,828,635.75 = 772,774.02/x
  3. Step 3: Cross multiply
    1,218,883.14x = 1,828,635.75 × 772,774.02
  4. Step 4: Simplify right side
    1,218,883.14x = 1,413,122,199,643.22
  5. Step 5: Solve for x
    x = 1,413,122,199,643.22/1,218,883.14
  6. Step 6: Final answer
    x = 1,159,358.23

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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.