Home / 1,215,339.74-1,677,186.42-671,488.04

Finding the Fourth Proportional to 1,215,339.74, 1,677,186.42 and 671,488.04

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Solution

The fourth proportional to 1,215,339.74, 1,677,186.42 and 671,488.04 is: 926,663.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,215,339.74 : 1,677,186.42 = 671,488.04 : x
  2. Step 2: Convert to fraction form
    1,215,339.74/1,677,186.42 = 671,488.04/x
  3. Step 3: Cross multiply
    1,215,339.74x = 1,677,186.42 × 671,488.04
  4. Step 4: Simplify right side
    1,215,339.74x = 1,126,210,621,880.42
  5. Step 5: Solve for x
    x = 1,126,210,621,880.42/1,215,339.74
  6. Step 6: Final answer
    x = 926,663.21

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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.