Home / 1,326,350.64-1,989,523.47-415,602.83

Finding the Fourth Proportional to 1,326,350.64, 1,989,523.47 and 415,602.83

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Solution

The fourth proportional to 1,326,350.64, 1,989,523.47 and 415,602.83 is: 623,403.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,326,350.64 : 1,989,523.47 = 415,602.83 : x
  2. Step 2: Convert to fraction form
    1,326,350.64/1,989,523.47 = 415,602.83/x
  3. Step 3: Cross multiply
    1,326,350.64x = 1,989,523.47 × 415,602.83
  4. Step 4: Simplify right side
    1,326,350.64x = 826,851,582,405.41
  5. Step 5: Solve for x
    x = 826,851,582,405.41/1,326,350.64
  6. Step 6: Final answer
    x = 623,403.46

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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.