Home / 1,325,608.90-1,829,548.02-781,804.47

Finding the Fourth Proportional to 1,325,608.90, 1,829,548.02 and 781,804.47

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Solution

The fourth proportional to 1,325,608.90, 1,829,548.02 and 781,804.47 is: 1,079,012.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,325,608.90 : 1,829,548.02 = 781,804.47 : x
  2. Step 2: Convert to fraction form
    1,325,608.90/1,829,548.02 = 781,804.47/x
  3. Step 3: Cross multiply
    1,325,608.90x = 1,829,548.02 × 781,804.47
  4. Step 4: Simplify right side
    1,325,608.90x = 1,430,348,820,115.65
  5. Step 5: Solve for x
    x = 1,430,348,820,115.65/1,325,608.90
  6. Step 6: Final answer
    x = 1,079,012.69

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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.