Home / 1,087,038-1,628,781.24-660,704.24

Finding the Fourth Proportional to 1,087,038, 1,628,781.24 and 660,704.24

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Solution

The fourth proportional to 1,087,038, 1,628,781.24 and 660,704.24 is: 989,977.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,087,038 : 1,628,781.24 = 660,704.24 : x
  2. Step 2: Convert to fraction form
    1,087,038/1,628,781.24 = 660,704.24/x
  3. Step 3: Cross multiply
    1,087,038x = 1,628,781.24 × 660,704.24
  4. Step 4: Simplify right side
    1,087,038x = 1,076,142,671,300.46
  5. Step 5: Solve for x
    x = 1,076,142,671,300.46/1,087,038
  6. Step 6: Final answer
    x = 989,977.05

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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.