Home / 1,064,344.20-1,596,516.30-686,430.60

Finding the Fourth Proportional to 1,064,344.20, 1,596,516.30 and 686,430.60

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Solution

The fourth proportional to 1,064,344.20, 1,596,516.30 and 686,430.60 is: 1,029,645.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,064,344.20 : 1,596,516.30 = 686,430.60 : x
  2. Step 2: Convert to fraction form
    1,064,344.20/1,596,516.30 = 686,430.60/x
  3. Step 3: Cross multiply
    1,064,344.20x = 1,596,516.30 × 686,430.60
  4. Step 4: Simplify right side
    1,064,344.20x = 1,095,897,641,718.78
  5. Step 5: Solve for x
    x = 1,095,897,641,718.78/1,064,344.20
  6. Step 6: Final answer
    x = 1,029,645.90

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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.