Home / 913,912.32-1,260,356.16-626,926.08

Finding the Fourth Proportional to 913,912.32, 1,260,356.16 and 626,926.08

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Solution

The fourth proportional to 913,912.32, 1,260,356.16 and 626,926.08 is: 864,579.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    913,912.32 : 1,260,356.16 = 626,926.08 : x
  2. Step 2: Convert to fraction form
    913,912.32/1,260,356.16 = 626,926.08/x
  3. Step 3: Cross multiply
    913,912.32x = 1,260,356.16 × 626,926.08
  4. Step 4: Simplify right side
    913,912.32x = 790,150,146,792.65
  5. Step 5: Solve for x
    x = 790,150,146,792.65/913,912.32
  6. Step 6: Final answer
    x = 864,579.82

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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.