Home / 1,384,013.40-2,076,348.15-710,198.70

Finding the Fourth Proportional to 1,384,013.40, 2,076,348.15 and 710,198.70

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Solution

The fourth proportional to 1,384,013.40, 2,076,348.15 and 710,198.70 is: 1,065,466.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,384,013.40 : 2,076,348.15 = 710,198.70 : x
  2. Step 2: Convert to fraction form
    1,384,013.40/2,076,348.15 = 710,198.70/x
  3. Step 3: Cross multiply
    1,384,013.40x = 2,076,348.15 × 710,198.70
  4. Step 4: Simplify right side
    1,384,013.40x = 1,474,619,756,877.40
  5. Step 5: Solve for x
    x = 1,474,619,756,877.40/1,384,013.40
  6. Step 6: Final answer
    x = 1,065,466.39

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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.