Home / 1,384,005.90-2,076,336.90-710,191.20

Finding the Fourth Proportional to 1,384,005.90, 2,076,336.90 and 710,191.20

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Solution

The fourth proportional to 1,384,005.90, 2,076,336.90 and 710,191.20 is: 1,065,455.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,384,005.90 : 2,076,336.90 = 710,191.20 : x
  2. Step 2: Convert to fraction form
    1,384,005.90/2,076,336.90 = 710,191.20/x
  3. Step 3: Cross multiply
    1,384,005.90x = 2,076,336.90 × 710,191.20
  4. Step 4: Simplify right side
    1,384,005.90x = 1,474,596,194,615.28
  5. Step 5: Solve for x
    x = 1,474,596,194,615.28/1,384,005.90
  6. Step 6: Final answer
    x = 1,065,455.14

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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.