Home / 1,054,275.39-1,454,842.47-618,634.08

Finding the Fourth Proportional to 1,054,275.39, 1,454,842.47 and 618,634.08

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Solution

The fourth proportional to 1,054,275.39, 1,454,842.47 and 618,634.08 is: 853,681.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,054,275.39 : 1,454,842.47 = 618,634.08 : x
  2. Step 2: Convert to fraction form
    1,054,275.39/1,454,842.47 = 618,634.08/x
  3. Step 3: Cross multiply
    1,054,275.39x = 1,454,842.47 × 618,634.08
  4. Step 4: Simplify right side
    1,054,275.39x = 900,015,132,973.38
  5. Step 5: Solve for x
    x = 900,015,132,973.38/1,054,275.39
  6. Step 6: Final answer
    x = 853,681.25

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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.