Home / 1,385,583.64-2,076,820.86-906,732.76

Finding the Fourth Proportional to 1,385,583.64, 2,076,820.86 and 906,732.76

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Solution

The fourth proportional to 1,385,583.64, 2,076,820.86 and 906,732.76 is: 1,359,081.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,385,583.64 : 2,076,820.86 = 906,732.76 : x
  2. Step 2: Convert to fraction form
    1,385,583.64/2,076,820.86 = 906,732.76/x
  3. Step 3: Cross multiply
    1,385,583.64x = 2,076,820.86 × 906,732.76
  4. Step 4: Simplify right side
    1,385,583.64x = 1,883,121,510,413.37
  5. Step 5: Solve for x
    x = 1,883,121,510,413.37/1,385,583.64
  6. Step 6: Final answer
    x = 1,359,081.80

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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.