Home / 1,095,508.80-1,643,391.20-347,630.40

Finding the Fourth Proportional to 1,095,508.80, 1,643,391.20 and 347,630.40

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Solution

The fourth proportional to 1,095,508.80, 1,643,391.20 and 347,630.40 is: 521,486.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,095,508.80 : 1,643,391.20 = 347,630.40 : x
  2. Step 2: Convert to fraction form
    1,095,508.80/1,643,391.20 = 347,630.40/x
  3. Step 3: Cross multiply
    1,095,508.80x = 1,643,391.20 × 347,630.40
  4. Step 4: Simplify right side
    1,095,508.80x = 571,292,740,212.48
  5. Step 5: Solve for x
    x = 571,292,740,212.48/1,095,508.80
  6. Step 6: Final answer
    x = 521,486.22

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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.