Home / 1,507,782.59-2,080,756.05-819,454.45

Finding the Fourth Proportional to 1,507,782.59, 2,080,756.05 and 819,454.45

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Solution

The fourth proportional to 1,507,782.59, 2,080,756.05 and 819,454.45 is: 1,130,855.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,507,782.59 : 2,080,756.05 = 819,454.45 : x
  2. Step 2: Convert to fraction form
    1,507,782.59/2,080,756.05 = 819,454.45/x
  3. Step 3: Cross multiply
    1,507,782.59x = 2,080,756.05 × 819,454.45
  4. Step 4: Simplify right side
    1,507,782.59x = 1,705,084,804,536.92
  5. Step 5: Solve for x
    x = 1,705,084,804,536.92/1,507,782.59
  6. Step 6: Final answer
    x = 1,130,855.88

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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.