Home / 1,319,118.84-1,978,754.76-372,410.28

Finding the Fourth Proportional to 1,319,118.84, 1,978,754.76 and 372,410.28

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Solution

The fourth proportional to 1,319,118.84, 1,978,754.76 and 372,410.28 is: 558,637.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,319,118.84 : 1,978,754.76 = 372,410.28 : x
  2. Step 2: Convert to fraction form
    1,319,118.84/1,978,754.76 = 372,410.28/x
  3. Step 3: Cross multiply
    1,319,118.84x = 1,978,754.76 × 372,410.28
  4. Step 4: Simplify right side
    1,319,118.84x = 736,908,614,222.93
  5. Step 5: Solve for x
    x = 736,908,614,222.93/1,319,118.84
  6. Step 6: Final answer
    x = 558,637.02

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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.