Home / 1,286,931.69-1,775,965.05-706,158.65

Finding the Fourth Proportional to 1,286,931.69, 1,775,965.05 and 706,158.65

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Solution

The fourth proportional to 1,286,931.69, 1,775,965.05 and 706,158.65 is: 974,498.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,286,931.69 : 1,775,965.05 = 706,158.65 : x
  2. Step 2: Convert to fraction form
    1,286,931.69/1,775,965.05 = 706,158.65/x
  3. Step 3: Cross multiply
    1,286,931.69x = 1,775,965.05 × 706,158.65
  4. Step 4: Simplify right side
    1,286,931.69x = 1,254,113,073,275.36
  5. Step 5: Solve for x
    x = 1,254,113,073,275.36/1,286,931.69
  6. Step 6: Final answer
    x = 974,498.56

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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.