Home / 1,020,958.68-1,531,437.54-421,260.48

Finding the Fourth Proportional to 1,020,958.68, 1,531,437.54 and 421,260.48

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Solution

The fourth proportional to 1,020,958.68, 1,531,437.54 and 421,260.48 is: 631,890.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,020,958.68 : 1,531,437.54 = 421,260.48 : x
  2. Step 2: Convert to fraction form
    1,020,958.68/1,531,437.54 = 421,260.48/x
  3. Step 3: Cross multiply
    1,020,958.68x = 1,531,437.54 × 421,260.48
  4. Step 4: Simplify right side
    1,020,958.68x = 645,134,113,190.42
  5. Step 5: Solve for x
    x = 645,134,113,190.42/1,020,958.68
  6. Step 6: Final answer
    x = 631,890.52

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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.