Home / 1,263,436.65-1,743,045.89-779,161.95

Finding the Fourth Proportional to 1,263,436.65, 1,743,045.89 and 779,161.95

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Solution

The fourth proportional to 1,263,436.65, 1,743,045.89 and 779,161.95 is: 1,074,937.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,263,436.65 : 1,743,045.89 = 779,161.95 : x
  2. Step 2: Convert to fraction form
    1,263,436.65/1,743,045.89 = 779,161.95/x
  3. Step 3: Cross multiply
    1,263,436.65x = 1,743,045.89 × 779,161.95
  4. Step 4: Simplify right side
    1,263,436.65x = 1,358,115,030,696.08
  5. Step 5: Solve for x
    x = 1,358,115,030,696.08/1,263,436.65
  6. Step 6: Final answer
    x = 1,074,937.18

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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.