Home / 1,210,706.33-1,670,728.95-727,537.88

Finding the Fourth Proportional to 1,210,706.33, 1,670,728.95 and 727,537.88

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Solution

The fourth proportional to 1,210,706.33, 1,670,728.95 and 727,537.88 is: 1,003,974.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,210,706.33 : 1,670,728.95 = 727,537.88 : x
  2. Step 2: Convert to fraction form
    1,210,706.33/1,670,728.95 = 727,537.88/x
  3. Step 3: Cross multiply
    1,210,706.33x = 1,670,728.95 × 727,537.88
  4. Step 4: Simplify right side
    1,210,706.33x = 1,215,518,602,514.45
  5. Step 5: Solve for x
    x = 1,215,518,602,514.45/1,210,706.33
  6. Step 6: Final answer
    x = 1,003,974.77

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1.5x scale

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.