Home / 1,393,390.50-2,090,437.02-396,118.50

Finding the Fourth Proportional to 1,393,390.50, 2,090,437.02 and 396,118.50

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Solution

The fourth proportional to 1,393,390.50, 2,090,437.02 and 396,118.50 is: 594,277.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,393,390.50 : 2,090,437.02 = 396,118.50 : x
  2. Step 2: Convert to fraction form
    1,393,390.50/2,090,437.02 = 396,118.50/x
  3. Step 3: Cross multiply
    1,393,390.50x = 2,090,437.02 × 396,118.50
  4. Step 4: Simplify right side
    1,393,390.50x = 828,060,776,706.87
  5. Step 5: Solve for x
    x = 828,060,776,706.87/1,393,390.50
  6. Step 6: Final answer
    x = 594,277.61

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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.