Home / 1,076,608.60-1,618,412.10-922,643.80

Finding the Fourth Proportional to 1,076,608.60, 1,618,412.10 and 922,643.80

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Solution

The fourth proportional to 1,076,608.60, 1,618,412.10 and 922,643.80 is: 1,386,964.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,076,608.60 : 1,618,412.10 = 922,643.80 : x
  2. Step 2: Convert to fraction form
    1,076,608.60/1,618,412.10 = 922,643.80/x
  3. Step 3: Cross multiply
    1,076,608.60x = 1,618,412.10 × 922,643.80
  4. Step 4: Simplify right side
    1,076,608.60x = 1,493,217,889,909.98
  5. Step 5: Solve for x
    x = 1,493,217,889,909.98/1,076,608.60
  6. Step 6: Final answer
    x = 1,386,964.48

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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.