Home / 1,383,990.90-2,076,314.40-710,176.20

Finding the Fourth Proportional to 1,383,990.90, 2,076,314.40 and 710,176.20

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Solution

The fourth proportional to 1,383,990.90, 2,076,314.40 and 710,176.20 is: 1,065,432.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,383,990.90 : 2,076,314.40 = 710,176.20 : x
  2. Step 2: Convert to fraction form
    1,383,990.90/2,076,314.40 = 710,176.20/x
  3. Step 3: Cross multiply
    1,383,990.90x = 2,076,314.40 × 710,176.20
  4. Step 4: Simplify right side
    1,383,990.90x = 1,474,549,070,597.28
  5. Step 5: Solve for x
    x = 1,474,549,070,597.28/1,383,990.90
  6. Step 6: Final answer
    x = 1,065,432.63

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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.