Home / 1,507,799.34-2,080,779.23-819,471.20

Finding the Fourth Proportional to 1,507,799.34, 2,080,779.23 and 819,471.20

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Solution

The fourth proportional to 1,507,799.34, 2,080,779.23 and 819,471.20 is: 1,130,879.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,507,799.34 : 2,080,779.23 = 819,471.20 : x
  2. Step 2: Convert to fraction form
    1,507,799.34/2,080,779.23 = 819,471.20/x
  3. Step 3: Cross multiply
    1,507,799.34x = 2,080,779.23 × 819,471.20
  4. Step 4: Simplify right side
    1,507,799.34x = 1,705,138,644,187.96
  5. Step 5: Solve for x
    x = 1,705,138,644,187.96/1,507,799.34
  6. Step 6: Final answer
    x = 1,130,879.02

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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.