Home / 1,249,932.96-1,724,915.52-676,980

Finding the Fourth Proportional to 1,249,932.96, 1,724,915.52 and 676,980

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Solution

The fourth proportional to 1,249,932.96, 1,724,915.52 and 676,980 is: 934,236.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,249,932.96 : 1,724,915.52 = 676,980 : x
  2. Step 2: Convert to fraction form
    1,249,932.96/1,724,915.52 = 676,980/x
  3. Step 3: Cross multiply
    1,249,932.96x = 1,724,915.52 × 676,980
  4. Step 4: Simplify right side
    1,249,932.96x = 1,167,733,308,729.60
  5. Step 5: Solve for x
    x = 1,167,733,308,729.60/1,249,932.96
  6. Step 6: Final answer
    x = 934,236.75

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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.