Home / 1,200,101.42-1,656,003.92-710,085.98

Finding the Fourth Proportional to 1,200,101.42, 1,656,003.92 and 710,085.98

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Solution

The fourth proportional to 1,200,101.42, 1,656,003.92 and 710,085.98 is: 979,838.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,200,101.42 : 1,656,003.92 = 710,085.98 : x
  2. Step 2: Convert to fraction form
    1,200,101.42/1,656,003.92 = 710,085.98/x
  3. Step 3: Cross multiply
    1,200,101.42x = 1,656,003.92 × 710,085.98
  4. Step 4: Simplify right side
    1,200,101.42x = 1,175,905,166,417.04
  5. Step 5: Solve for x
    x = 1,175,905,166,417.04/1,200,101.42
  6. Step 6: Final answer
    x = 979,838.16

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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.