Home / 1,076,636.40-1,617,360.30-899,489.40

Finding the Fourth Proportional to 1,076,636.40, 1,617,360.30 and 899,489.40

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Solution

The fourth proportional to 1,076,636.40, 1,617,360.30 and 899,489.40 is: 1,351,243.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,076,636.40 : 1,617,360.30 = 899,489.40 : x
  2. Step 2: Convert to fraction form
    1,076,636.40/1,617,360.30 = 899,489.40/x
  3. Step 3: Cross multiply
    1,076,636.40x = 1,617,360.30 × 899,489.40
  4. Step 4: Simplify right side
    1,076,636.40x = 1,454,798,445,830.82
  5. Step 5: Solve for x
    x = 1,454,798,445,830.82/1,076,636.40
  6. Step 6: Final answer
    x = 1,351,243.97

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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.