Home / 1,238,869.67-1,858,981.56-480,740.96

Finding the Fourth Proportional to 1,238,869.67, 1,858,981.56 and 480,740.96

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Solution

The fourth proportional to 1,238,869.67, 1,858,981.56 and 480,740.96 is: 721,374.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,238,869.67 : 1,858,981.56 = 480,740.96 : x
  2. Step 2: Convert to fraction form
    1,238,869.67/1,858,981.56 = 480,740.96/x
  3. Step 3: Cross multiply
    1,238,869.67x = 1,858,981.56 × 480,740.96
  4. Step 4: Simplify right side
    1,238,869.67x = 893,688,570,481.79
  5. Step 5: Solve for x
    x = 893,688,570,481.79/1,238,869.67
  6. Step 6: Final answer
    x = 721,374.16

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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.