Home / 1,342,689.70-2,014,034.55-1,076,969.20

Finding the Fourth Proportional to 1,342,689.70, 2,014,034.55 and 1,076,969.20

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Solution

The fourth proportional to 1,342,689.70, 2,014,034.55 and 1,076,969.20 is: 1,615,453.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,342,689.70 : 2,014,034.55 = 1,076,969.20 : x
  2. Step 2: Convert to fraction form
    1,342,689.70/2,014,034.55 = 1,076,969.20/x
  3. Step 3: Cross multiply
    1,342,689.70x = 2,014,034.55 × 1,076,969.20
  4. Step 4: Simplify right side
    1,342,689.70x = 2,169,053,178,085.86
  5. Step 5: Solve for x
    x = 2,169,053,178,085.86/1,342,689.70
  6. Step 6: Final answer
    x = 1,615,453.80

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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.