Home / 1,853,330.76-2,778,931.41-987,699.73

Finding the Fourth Proportional to 1,853,330.76, 2,778,931.41 and 987,699.73

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Solution

The fourth proportional to 1,853,330.76, 2,778,931.41 and 987,699.73 is: 1,480,982.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,853,330.76 : 2,778,931.41 = 987,699.73 : x
  2. Step 2: Convert to fraction form
    1,853,330.76/2,778,931.41 = 987,699.73/x
  3. Step 3: Cross multiply
    1,853,330.76x = 2,778,931.41 × 987,699.73
  4. Step 4: Simplify right side
    1,853,330.76x = 2,744,749,803,345.52
  5. Step 5: Solve for x
    x = 2,744,749,803,345.52/1,853,330.76
  6. Step 6: Final answer
    x = 1,480,982.17

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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.