Home / 1,095,431.60-1,643,320.20-347,553.20

Finding the Fourth Proportional to 1,095,431.60, 1,643,320.20 and 347,553.20

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Solution

The fourth proportional to 1,095,431.60, 1,643,320.20 and 347,553.20 is: 521,384.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,095,431.60 : 1,643,320.20 = 347,553.20 : x
  2. Step 2: Convert to fraction form
    1,095,431.60/1,643,320.20 = 347,553.20/x
  3. Step 3: Cross multiply
    1,095,431.60x = 1,643,320.20 × 347,553.20
  4. Step 4: Simplify right side
    1,095,431.60x = 571,141,194,134.64
  5. Step 5: Solve for x
    x = 571,141,194,134.64/1,095,431.60
  6. Step 6: Final answer
    x = 521,384.63

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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.