Home / 918,276.41-1,373,385.74-817,783.14

Finding the Fourth Proportional to 918,276.41, 1,373,385.74 and 817,783.14

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Solution

The fourth proportional to 918,276.41, 1,373,385.74 and 817,783.14 is: 1,223,086.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    918,276.41 : 1,373,385.74 = 817,783.14 : x
  2. Step 2: Convert to fraction form
    918,276.41/1,373,385.74 = 817,783.14/x
  3. Step 3: Cross multiply
    918,276.41x = 1,373,385.74 × 817,783.14
  4. Step 4: Simplify right side
    918,276.41x = 1,123,131,698,799.51
  5. Step 5: Solve for x
    x = 1,123,131,698,799.51/918,276.41
  6. Step 6: Final answer
    x = 1,223,086.74

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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.