Home / 1,035,683.76-1,553,545.08-287,749.20

Finding the Fourth Proportional to 1,035,683.76, 1,553,545.08 and 287,749.20

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Solution

The fourth proportional to 1,035,683.76, 1,553,545.08 and 287,749.20 is: 431,629.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,035,683.76 : 1,553,545.08 = 287,749.20 : x
  2. Step 2: Convert to fraction form
    1,035,683.76/1,553,545.08 = 287,749.20/x
  3. Step 3: Cross multiply
    1,035,683.76x = 1,553,545.08 × 287,749.20
  4. Step 4: Simplify right side
    1,035,683.76x = 447,031,353,933.94
  5. Step 5: Solve for x
    x = 447,031,353,933.94/1,035,683.76
  6. Step 6: Final answer
    x = 431,629.20

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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.