Home / 1,118,112.50-1,543,020.58-634,632.42

Finding the Fourth Proportional to 1,118,112.50, 1,543,020.58 and 634,632.42

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Solution

The fourth proportional to 1,118,112.50, 1,543,020.58 and 634,632.42 is: 875,807.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,118,112.50 : 1,543,020.58 = 634,632.42 : x
  2. Step 2: Convert to fraction form
    1,118,112.50/1,543,020.58 = 634,632.42/x
  3. Step 3: Cross multiply
    1,118,112.50x = 1,543,020.58 × 634,632.42
  4. Step 4: Simplify right side
    1,118,112.50x = 979,250,884,795.20
  5. Step 5: Solve for x
    x = 979,250,884,795.20/1,118,112.50
  6. Step 6: Final answer
    x = 875,807.12

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.