Home / 806,737.40-1,210,106.10-745,911.80

Finding the Fourth Proportional to 806,737.40, 1,210,106.10 and 745,911.80

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Solution

The fourth proportional to 806,737.40, 1,210,106.10 and 745,911.80 is: 1,118,867.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    806,737.40 : 1,210,106.10 = 745,911.80 : x
  2. Step 2: Convert to fraction form
    806,737.40/1,210,106.10 = 745,911.80/x
  3. Step 3: Cross multiply
    806,737.40x = 1,210,106.10 × 745,911.80
  4. Step 4: Simplify right side
    806,737.40x = 902,632,419,241.98
  5. Step 5: Solve for x
    x = 902,632,419,241.98/806,737.40
  6. Step 6: Final answer
    x = 1,118,867.70

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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.