Home / 1,315,610.28-1,973,251.40-369,054.81

Finding the Fourth Proportional to 1,315,610.28, 1,973,251.40 and 369,054.81

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Solution

The fourth proportional to 1,315,610.28, 1,973,251.40 and 369,054.81 is: 553,536.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,315,610.28 : 1,973,251.40 = 369,054.81 : x
  2. Step 2: Convert to fraction form
    1,315,610.28/1,973,251.40 = 369,054.81/x
  3. Step 3: Cross multiply
    1,315,610.28x = 1,973,251.40 × 369,054.81
  4. Step 4: Simplify right side
    1,315,610.28x = 728,237,918,663.96
  5. Step 5: Solve for x
    x = 728,237,918,663.96/1,315,610.28
  6. Step 6: Final answer
    x = 553,536.20

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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.