Home / 1,324,702.47-1,828,327.98-780,806.51

Finding the Fourth Proportional to 1,324,702.47, 1,828,327.98 and 780,806.51

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Solution

The fourth proportional to 1,324,702.47, 1,828,327.98 and 780,806.51 is: 1,077,653.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,324,702.47 : 1,828,327.98 = 780,806.51 : x
  2. Step 2: Convert to fraction form
    1,324,702.47/1,828,327.98 = 780,806.51/x
  3. Step 3: Cross multiply
    1,324,702.47x = 1,828,327.98 × 780,806.51
  4. Step 4: Simplify right side
    1,324,702.47x = 1,427,570,389,199.15
  5. Step 5: Solve for x
    x = 1,427,570,389,199.15/1,324,702.47
  6. Step 6: Final answer
    x = 1,077,653.60

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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.