Home / 1,507,781.59-2,080,754.67-819,453.45

Finding the Fourth Proportional to 1,507,781.59, 2,080,754.67 and 819,453.45

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Solution

The fourth proportional to 1,507,781.59, 2,080,754.67 and 819,453.45 is: 1,130,854.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,507,781.59 : 2,080,754.67 = 819,453.45 : x
  2. Step 2: Convert to fraction form
    1,507,781.59/2,080,754.67 = 819,453.45/x
  3. Step 3: Cross multiply
    1,507,781.59x = 2,080,754.67 × 819,453.45
  4. Step 4: Simplify right side
    1,507,781.59x = 1,705,081,592,935.11
  5. Step 5: Solve for x
    x = 1,705,081,592,935.11/1,507,781.59
  6. Step 6: Final answer
    x = 1,130,854.50

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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.