Home / 1,070,327.75-1,605,727.75-312,228.57

Finding the Fourth Proportional to 1,070,327.75, 1,605,727.75 and 312,228.57

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Solution

The fourth proportional to 1,070,327.75, 1,605,727.75 and 312,228.57 is: 468,411.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,070,327.75 : 1,605,727.75 = 312,228.57 : x
  2. Step 2: Convert to fraction form
    1,070,327.75/1,605,727.75 = 312,228.57/x
  3. Step 3: Cross multiply
    1,070,327.75x = 1,605,727.75 × 312,228.57
  4. Step 4: Simplify right side
    1,070,327.75x = 501,354,085,018.15
  5. Step 5: Solve for x
    x = 501,354,085,018.15/1,070,327.75
  6. Step 6: Final answer
    x = 468,411.74

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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.