Home / 1,545,890.90-2,317,749.81-680,915.31

Finding the Fourth Proportional to 1,545,890.90, 2,317,749.81 and 680,915.31

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Solution

The fourth proportional to 1,545,890.90, 2,317,749.81 and 680,915.31 is: 1,020,894.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,545,890.90 : 2,317,749.81 = 680,915.31 : x
  2. Step 2: Convert to fraction form
    1,545,890.90/2,317,749.81 = 680,915.31/x
  3. Step 3: Cross multiply
    1,545,890.90x = 2,317,749.81 × 680,915.31
  4. Step 4: Simplify right side
    1,545,890.90x = 1,578,191,330,378.59
  5. Step 5: Solve for x
    x = 1,578,191,330,378.59/1,545,890.90
  6. Step 6: Final answer
    x = 1,020,894.38

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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.