Home / 1,070,338.97-1,477,842.71-689,030.06

Finding the Fourth Proportional to 1,070,338.97, 1,477,842.71 and 689,030.06

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Solution

The fourth proportional to 1,070,338.97, 1,477,842.71 and 689,030.06 is: 951,360.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,070,338.97 : 1,477,842.71 = 689,030.06 : x
  2. Step 2: Convert to fraction form
    1,070,338.97/1,477,842.71 = 689,030.06/x
  3. Step 3: Cross multiply
    1,070,338.97x = 1,477,842.71 × 689,030.06
  4. Step 4: Simplify right side
    1,070,338.97x = 1,018,278,040,307.50
  5. Step 5: Solve for x
    x = 1,018,278,040,307.50/1,070,338.97
  6. Step 6: Final answer
    x = 951,360.33

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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.