Home / 1,358,605.66-1,872,899.82-949,437.16

Finding the Fourth Proportional to 1,358,605.66, 1,872,899.82 and 949,437.16

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Solution

The fourth proportional to 1,358,605.66, 1,872,899.82 and 949,437.16 is: 1,308,842.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,358,605.66 : 1,872,899.82 = 949,437.16 : x
  2. Step 2: Convert to fraction form
    1,358,605.66/1,872,899.82 = 949,437.16/x
  3. Step 3: Cross multiply
    1,358,605.66x = 1,872,899.82 × 949,437.16
  4. Step 4: Simplify right side
    1,358,605.66x = 1,778,200,686,065.31
  5. Step 5: Solve for x
    x = 1,778,200,686,065.31/1,358,605.66
  6. Step 6: Final answer
    x = 1,308,842.40

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.