Home / 1,095,270.40-1,643,150.40-385,321.60

Finding the Fourth Proportional to 1,095,270.40, 1,643,150.40 and 385,321.60

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Solution

The fourth proportional to 1,095,270.40, 1,643,150.40 and 385,321.60 is: 578,068.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,095,270.40 : 1,643,150.40 = 385,321.60 : x
  2. Step 2: Convert to fraction form
    1,095,270.40/1,643,150.40 = 385,321.60/x
  3. Step 3: Cross multiply
    1,095,270.40x = 1,643,150.40 × 385,321.60
  4. Step 4: Simplify right side
    1,095,270.40x = 633,141,341,168.64
  5. Step 5: Solve for x
    x = 633,141,341,168.64/1,095,270.40
  6. Step 6: Final answer
    x = 578,068.52

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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.