Home / 1,426,607.18-1,969,346.16-998,567.54

Finding the Fourth Proportional to 1,426,607.18, 1,969,346.16 and 998,567.54

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Solution

The fourth proportional to 1,426,607.18, 1,969,346.16 and 998,567.54 is: 1,378,462.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,426,607.18 : 1,969,346.16 = 998,567.54 : x
  2. Step 2: Convert to fraction form
    1,426,607.18/1,969,346.16 = 998,567.54/x
  3. Step 3: Cross multiply
    1,426,607.18x = 1,969,346.16 × 998,567.54
  4. Step 4: Simplify right side
    1,426,607.18x = 1,966,525,150,399.65
  5. Step 5: Solve for x
    x = 1,966,525,150,399.65/1,426,607.18
  6. Step 6: Final answer
    x = 1,378,462.96

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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.