Home / 1,261,337.81-1,740,686.78-717,459.62

Finding the Fourth Proportional to 1,261,337.81, 1,740,686.78 and 717,459.62

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Solution

The fourth proportional to 1,261,337.81, 1,740,686.78 and 717,459.62 is: 990,117.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,261,337.81 : 1,740,686.78 = 717,459.62 : x
  2. Step 2: Convert to fraction form
    1,261,337.81/1,740,686.78 = 717,459.62/x
  3. Step 3: Cross multiply
    1,261,337.81x = 1,740,686.78 × 717,459.62
  4. Step 4: Simplify right side
    1,261,337.81x = 1,248,872,463,427.09
  5. Step 5: Solve for x
    x = 1,248,872,463,427.09/1,261,337.81
  6. Step 6: Final answer
    x = 990,117.36

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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.