Home / 1,384,005.40-2,076,336.15-710,190.70

Finding the Fourth Proportional to 1,384,005.40, 2,076,336.15 and 710,190.70

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Solution

The fourth proportional to 1,384,005.40, 2,076,336.15 and 710,190.70 is: 1,065,454.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,384,005.40 : 2,076,336.15 = 710,190.70 : x
  2. Step 2: Convert to fraction form
    1,384,005.40/2,076,336.15 = 710,190.70/x
  3. Step 3: Cross multiply
    1,384,005.40x = 2,076,336.15 × 710,190.70
  4. Step 4: Simplify right side
    1,384,005.40x = 1,474,594,623,803.81
  5. Step 5: Solve for x
    x = 1,474,594,623,803.81/1,384,005.40
  6. Step 6: Final answer
    x = 1,065,454.39

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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.