Home / 1,003,338.61-1,505,237.81-434,815.15

Finding the Fourth Proportional to 1,003,338.61, 1,505,237.81 and 434,815.15

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Solution

The fourth proportional to 1,003,338.61, 1,505,237.81 and 434,815.15 is: 652,322.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,003,338.61 : 1,505,237.81 = 434,815.15 : x
  2. Step 2: Convert to fraction form
    1,003,338.61/1,505,237.81 = 434,815.15/x
  3. Step 3: Cross multiply
    1,003,338.61x = 1,505,237.81 × 434,815.15
  4. Step 4: Simplify right side
    1,003,338.61x = 654,500,198,203.65
  5. Step 5: Solve for x
    x = 654,500,198,203.65/1,003,338.61
  6. Step 6: Final answer
    x = 652,322.35

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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.