Home / 1,138,389.70-1,709,552.85-606,948.70

Finding the Fourth Proportional to 1,138,389.70, 1,709,552.85 and 606,948.70

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Solution

The fourth proportional to 1,138,389.70, 1,709,552.85 and 606,948.70 is: 911,472.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,138,389.70 : 1,709,552.85 = 606,948.70 : x
  2. Step 2: Convert to fraction form
    1,138,389.70/1,709,552.85 = 606,948.70/x
  3. Step 3: Cross multiply
    1,138,389.70x = 1,709,552.85 × 606,948.70
  4. Step 4: Simplify right side
    1,138,389.70x = 1,037,610,879,888.80
  5. Step 5: Solve for x
    x = 1,037,610,879,888.80/1,138,389.70
  6. Step 6: Final answer
    x = 911,472.48

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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.