Home / 1,095,551.20-1,643,326.80-385,688.80

Finding the Fourth Proportional to 1,095,551.20, 1,643,326.80 and 385,688.80

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Solution

The fourth proportional to 1,095,551.20, 1,643,326.80 and 385,688.80 is: 578,533.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,095,551.20 : 1,643,326.80 = 385,688.80 : x
  2. Step 2: Convert to fraction form
    1,095,551.20/1,643,326.80 = 385,688.80/x
  3. Step 3: Cross multiply
    1,095,551.20x = 1,643,326.80 × 385,688.80
  4. Step 4: Simplify right side
    1,095,551.20x = 633,812,741,499.84
  5. Step 5: Solve for x
    x = 633,812,741,499.84/1,095,551.20
  6. Step 6: Final answer
    x = 578,533.20

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Similar ratio
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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.