Home / 1,487,387.34-2,052,610.47-808,323.90

Finding the Fourth Proportional to 1,487,387.34, 2,052,610.47 and 808,323.90

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Solution

The fourth proportional to 1,487,387.34, 2,052,610.47 and 808,323.90 is: 1,115,495.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,487,387.34 : 2,052,610.47 = 808,323.90 : x
  2. Step 2: Convert to fraction form
    1,487,387.34/2,052,610.47 = 808,323.90/x
  3. Step 3: Cross multiply
    1,487,387.34x = 2,052,610.47 × 808,323.90
  4. Step 4: Simplify right side
    1,487,387.34x = 1,659,174,100,291.23
  5. Step 5: Solve for x
    x = 1,659,174,100,291.23/1,487,387.34
  6. Step 6: Final answer
    x = 1,115,495.65

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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.