Home / 1,076,078.40-1,609,970.40-702,830.40

Finding the Fourth Proportional to 1,076,078.40, 1,609,970.40 and 702,830.40

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Solution

The fourth proportional to 1,076,078.40, 1,609,970.40 and 702,830.40 is: 1,051,536.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,076,078.40 : 1,609,970.40 = 702,830.40 : x
  2. Step 2: Convert to fraction form
    1,076,078.40/1,609,970.40 = 702,830.40/x
  3. Step 3: Cross multiply
    1,076,078.40x = 1,609,970.40 × 702,830.40
  4. Step 4: Simplify right side
    1,076,078.40x = 1,131,536,140,220.16
  5. Step 5: Solve for x
    x = 1,131,536,140,220.16/1,076,078.40
  6. Step 6: Final answer
    x = 1,051,536.90

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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.