Home / 1,455,350.20-2,008,531.02-810,875.32

Finding the Fourth Proportional to 1,455,350.20, 2,008,531.02 and 810,875.32

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Solution

The fourth proportional to 1,455,350.20, 2,008,531.02 and 810,875.32 is: 1,119,090.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,455,350.20 : 2,008,531.02 = 810,875.32 : x
  2. Step 2: Convert to fraction form
    1,455,350.20/2,008,531.02 = 810,875.32/x
  3. Step 3: Cross multiply
    1,455,350.20x = 2,008,531.02 × 810,875.32
  4. Step 4: Simplify right side
    1,455,350.20x = 1,628,668,233,572.43
  5. Step 5: Solve for x
    x = 1,628,668,233,572.43/1,455,350.20
  6. Step 6: Final answer
    x = 1,119,090.26

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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.