Home / 1,138,263.80-1,570,893.66-648,254.16

Finding the Fourth Proportional to 1,138,263.80, 1,570,893.66 and 648,254.16

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Solution

The fourth proportional to 1,138,263.80, 1,570,893.66 and 648,254.16 is: 894,641.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,138,263.80 : 1,570,893.66 = 648,254.16 : x
  2. Step 2: Convert to fraction form
    1,138,263.80/1,570,893.66 = 648,254.16/x
  3. Step 3: Cross multiply
    1,138,263.80x = 1,570,893.66 × 648,254.16
  4. Step 4: Simplify right side
    1,138,263.80x = 1,018,338,350,012.63
  5. Step 5: Solve for x
    x = 1,018,338,350,012.63/1,138,263.80
  6. Step 6: Final answer
    x = 894,641.78

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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.