Home / 1,001,218.32-1,501,813.71-243,065.61

Finding the Fourth Proportional to 1,001,218.32, 1,501,813.71 and 243,065.61

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Solution

The fourth proportional to 1,001,218.32, 1,501,813.71 and 243,065.61 is: 364,595.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,001,218.32 : 1,501,813.71 = 243,065.61 : x
  2. Step 2: Convert to fraction form
    1,001,218.32/1,501,813.71 = 243,065.61/x
  3. Step 3: Cross multiply
    1,001,218.32x = 1,501,813.71 × 243,065.61
  4. Step 4: Simplify right side
    1,001,218.32x = 365,039,265,527.51
  5. Step 5: Solve for x
    x = 365,039,265,527.51/1,001,218.32
  6. Step 6: Final answer
    x = 364,595.07

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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.