Home / 1,339,041.34-1,847,871.12-727,189.30

Finding the Fourth Proportional to 1,339,041.34, 1,847,871.12 and 727,189.30

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Solution

The fourth proportional to 1,339,041.34, 1,847,871.12 and 727,189.30 is: 1,003,518.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,339,041.34 : 1,847,871.12 = 727,189.30 : x
  2. Step 2: Convert to fraction form
    1,339,041.34/1,847,871.12 = 727,189.30/x
  3. Step 3: Cross multiply
    1,339,041.34x = 1,847,871.12 × 727,189.30
  4. Step 4: Simplify right side
    1,339,041.34x = 1,343,752,106,243.02
  5. Step 5: Solve for x
    x = 1,343,752,106,243.02/1,339,041.34
  6. Step 6: Final answer
    x = 1,003,518.01

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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.