Home / 1,110,690.50-1,666,097.61-311,909.48

Finding the Fourth Proportional to 1,110,690.50, 1,666,097.61 and 311,909.48

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Solution

The fourth proportional to 1,110,690.50, 1,666,097.61 and 311,909.48 is: 467,881.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,110,690.50 : 1,666,097.61 = 311,909.48 : x
  2. Step 2: Convert to fraction form
    1,110,690.50/1,666,097.61 = 311,909.48/x
  3. Step 3: Cross multiply
    1,110,690.50x = 1,666,097.61 × 311,909.48
  4. Step 4: Simplify right side
    1,110,690.50x = 519,671,645,283.86
  5. Step 5: Solve for x
    x = 519,671,645,283.86/1,110,690.50
  6. Step 6: Final answer
    x = 467,881.60

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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.