Home / 1,213,987.05-1,675,302.45-670,123.17

Finding the Fourth Proportional to 1,213,987.05, 1,675,302.45 and 670,123.17

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Solution

The fourth proportional to 1,213,987.05, 1,675,302.45 and 670,123.17 is: 924,770.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,213,987.05 : 1,675,302.45 = 670,123.17 : x
  2. Step 2: Convert to fraction form
    1,213,987.05/1,675,302.45 = 670,123.17/x
  3. Step 3: Cross multiply
    1,213,987.05x = 1,675,302.45 × 670,123.17
  4. Step 4: Simplify right side
    1,213,987.05x = 1,122,658,988,502.77
  5. Step 5: Solve for x
    x = 1,122,658,988,502.77/1,213,987.05
  6. Step 6: Final answer
    x = 924,770.15

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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.