Home / 1,076,649.90-1,617,380.55-899,502.90

Finding the Fourth Proportional to 1,076,649.90, 1,617,380.55 and 899,502.90

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Solution

The fourth proportional to 1,076,649.90, 1,617,380.55 and 899,502.90 is: 1,351,264.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,076,649.90 : 1,617,380.55 = 899,502.90 : x
  2. Step 2: Convert to fraction form
    1,076,649.90/1,617,380.55 = 899,502.90/x
  3. Step 3: Cross multiply
    1,076,649.90x = 1,617,380.55 × 899,502.90
  4. Step 4: Simplify right side
    1,076,649.90x = 1,454,838,495,128.60
  5. Step 5: Solve for x
    x = 1,454,838,495,128.60/1,076,649.90
  6. Step 6: Final answer
    x = 1,351,264.23

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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.