Home / 1,110,798.78-1,666,295.37-312,086.94

Finding the Fourth Proportional to 1,110,798.78, 1,666,295.37 and 312,086.94

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Solution

The fourth proportional to 1,110,798.78, 1,666,295.37 and 312,086.94 is: 468,157.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,110,798.78 : 1,666,295.37 = 312,086.94 : x
  2. Step 2: Convert to fraction form
    1,110,798.78/1,666,295.37 = 312,086.94/x
  3. Step 3: Cross multiply
    1,110,798.78x = 1,666,295.37 × 312,086.94
  4. Step 4: Simplify right side
    1,110,798.78x = 520,029,023,159.47
  5. Step 5: Solve for x
    x = 520,029,023,159.47/1,110,798.78
  6. Step 6: Final answer
    x = 468,157.72

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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.