Home / 778,210.38-1,166,965.65-753,715.98

Finding the Fourth Proportional to 778,210.38, 1,166,965.65 and 753,715.98

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Solution

The fourth proportional to 778,210.38, 1,166,965.65 and 753,715.98 is: 1,130,235.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    778,210.38 : 1,166,965.65 = 753,715.98 : x
  2. Step 2: Convert to fraction form
    778,210.38/1,166,965.65 = 753,715.98/x
  3. Step 3: Cross multiply
    778,210.38x = 1,166,965.65 × 753,715.98
  4. Step 4: Simplify right side
    778,210.38x = 879,560,658,516.09
  5. Step 5: Solve for x
    x = 879,560,658,516.09/778,210.38
  6. Step 6: Final answer
    x = 1,130,235.06

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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.