Home / 1,210,702.50-1,670,769.45-701,700.12

Finding the Fourth Proportional to 1,210,702.50, 1,670,769.45 and 701,700.12

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Solution

The fourth proportional to 1,210,702.50, 1,670,769.45 and 701,700.12 is: 968,346.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,210,702.50 : 1,670,769.45 = 701,700.12 : x
  2. Step 2: Convert to fraction form
    1,210,702.50/1,670,769.45 = 701,700.12/x
  3. Step 3: Cross multiply
    1,210,702.50x = 1,670,769.45 × 701,700.12
  4. Step 4: Simplify right side
    1,210,702.50x = 1,172,379,123,557.33
  5. Step 5: Solve for x
    x = 1,172,379,123,557.33/1,210,702.50
  6. Step 6: Final answer
    x = 968,346.17

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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.