Home / 1,324,702.60-1,828,328.15-780,806.63

Finding the Fourth Proportional to 1,324,702.60, 1,828,328.15 and 780,806.63

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Solution

The fourth proportional to 1,324,702.60, 1,828,328.15 and 780,806.63 is: 1,077,653.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,324,702.60 : 1,828,328.15 = 780,806.63 : x
  2. Step 2: Convert to fraction form
    1,324,702.60/1,828,328.15 = 780,806.63/x
  3. Step 3: Cross multiply
    1,324,702.60x = 1,828,328.15 × 780,806.63
  4. Step 4: Simplify right side
    1,324,702.60x = 1,427,570,747,858.47
  5. Step 5: Solve for x
    x = 1,427,570,747,858.47/1,324,702.60
  6. Step 6: Final answer
    x = 1,077,653.77

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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.