Home / 1,095,390.40-1,643,330.40-385,441.60

Finding the Fourth Proportional to 1,095,390.40, 1,643,330.40 and 385,441.60

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Solution

The fourth proportional to 1,095,390.40, 1,643,330.40 and 385,441.60 is: 578,248.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,095,390.40 : 1,643,330.40 = 385,441.60 : x
  2. Step 2: Convert to fraction form
    1,095,390.40/1,643,330.40 = 385,441.60/x
  3. Step 3: Cross multiply
    1,095,390.40x = 1,643,330.40 × 385,441.60
  4. Step 4: Simplify right side
    1,095,390.40x = 633,407,898,704.64
  5. Step 5: Solve for x
    x = 633,407,898,704.64/1,095,390.40
  6. Step 6: Final answer
    x = 578,248.54

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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.