Home / 1,278,052.02-1,763,650.23-697,240.57

Finding the Fourth Proportional to 1,278,052.02, 1,763,650.23 and 697,240.57

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Solution

The fourth proportional to 1,278,052.02, 1,763,650.23 and 697,240.57 is: 962,158.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,278,052.02 : 1,763,650.23 = 697,240.57 : x
  2. Step 2: Convert to fraction form
    1,278,052.02/1,763,650.23 = 697,240.57/x
  3. Step 3: Cross multiply
    1,278,052.02x = 1,763,650.23 × 697,240.57
  4. Step 4: Simplify right side
    1,278,052.02x = 1,229,688,488,159.63
  5. Step 5: Solve for x
    x = 1,229,688,488,159.63/1,278,052.02
  6. Step 6: Final answer
    x = 962,158.40

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.