Home / 1,110,725.93-1,666,153.52-312,069.71

Finding the Fourth Proportional to 1,110,725.93, 1,666,153.52 and 312,069.71

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Solution

The fourth proportional to 1,110,725.93, 1,666,153.52 and 312,069.71 is: 468,122.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,110,725.93 : 1,666,153.52 = 312,069.71 : x
  2. Step 2: Convert to fraction form
    1,110,725.93/1,666,153.52 = 312,069.71/x
  3. Step 3: Cross multiply
    1,110,725.93x = 1,666,153.52 × 312,069.71
  4. Step 4: Simplify right side
    1,110,725.93x = 519,956,044,241.53
  5. Step 5: Solve for x
    x = 519,956,044,241.53/1,110,725.93
  6. Step 6: Final answer
    x = 468,122.72

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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.