Home / 972,032.70-1,458,049.05-720,090.30

Finding the Fourth Proportional to 972,032.70, 1,458,049.05 and 720,090.30

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Solution

The fourth proportional to 972,032.70, 1,458,049.05 and 720,090.30 is: 1,080,135.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    972,032.70 : 1,458,049.05 = 720,090.30 : x
  2. Step 2: Convert to fraction form
    972,032.70/1,458,049.05 = 720,090.30/x
  3. Step 3: Cross multiply
    972,032.70x = 1,458,049.05 × 720,090.30
  4. Step 4: Simplify right side
    972,032.70x = 1,049,926,977,829.22
  5. Step 5: Solve for x
    x = 1,049,926,977,829.22/972,032.70
  6. Step 6: Final answer
    x = 1,080,135.45

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.