Home / 1,210,613.40-1,670,522.85-745,393.41

Finding the Fourth Proportional to 1,210,613.40, 1,670,522.85 and 745,393.41

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Solution

The fourth proportional to 1,210,613.40, 1,670,522.85 and 745,393.41 is: 1,028,566.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,210,613.40 : 1,670,522.85 = 745,393.41 : x
  2. Step 2: Convert to fraction form
    1,210,613.40/1,670,522.85 = 745,393.41/x
  3. Step 3: Cross multiply
    1,210,613.40x = 1,670,522.85 × 745,393.41
  4. Step 4: Simplify right side
    1,210,613.40x = 1,245,196,723,644.42
  5. Step 5: Solve for x
    x = 1,245,196,723,644.42/1,210,613.40
  6. Step 6: Final answer
    x = 1,028,566.78

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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.