Home / 1,045,317.60-1,567,673.10-438,090.05

Finding the Fourth Proportional to 1,045,317.60, 1,567,673.10 and 438,090.05

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Solution

The fourth proportional to 1,045,317.60, 1,567,673.10 and 438,090.05 is: 657,007.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,045,317.60 : 1,567,673.10 = 438,090.05 : x
  2. Step 2: Convert to fraction form
    1,045,317.60/1,567,673.10 = 438,090.05/x
  3. Step 3: Cross multiply
    1,045,317.60x = 1,567,673.10 × 438,090.05
  4. Step 4: Simplify right side
    1,045,317.60x = 686,781,982,836.09
  5. Step 5: Solve for x
    x = 686,781,982,836.09/1,045,317.60
  6. Step 6: Final answer
    x = 657,007.96

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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.