Home / 1,076,439.03-1,614,886.35-318,220.71

Finding the Fourth Proportional to 1,076,439.03, 1,614,886.35 and 318,220.71

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Solution

The fourth proportional to 1,076,439.03, 1,614,886.35 and 318,220.71 is: 477,398.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,076,439.03 : 1,614,886.35 = 318,220.71 : x
  2. Step 2: Convert to fraction form
    1,076,439.03/1,614,886.35 = 318,220.71/x
  3. Step 3: Cross multiply
    1,076,439.03x = 1,614,886.35 × 318,220.71
  4. Step 4: Simplify right side
    1,076,439.03x = 513,890,280,866.31
  5. Step 5: Solve for x
    x = 513,890,280,866.31/1,076,439.03
  6. Step 6: Final answer
    x = 477,398.41

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1.5x scale

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.