Home / 926,208.82-1,390,111.29-642,098.89

Finding the Fourth Proportional to 926,208.82, 1,390,111.29 and 642,098.89

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Solution

The fourth proportional to 926,208.82, 1,390,111.29 and 642,098.89 is: 963,701.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    926,208.82 : 1,390,111.29 = 642,098.89 : x
  2. Step 2: Convert to fraction form
    926,208.82/1,390,111.29 = 642,098.89/x
  3. Step 3: Cross multiply
    926,208.82x = 1,390,111.29 × 642,098.89
  4. Step 4: Simplify right side
    926,208.82x = 892,588,912,810.19
  5. Step 5: Solve for x
    x = 892,588,912,810.19/926,208.82
  6. Step 6: Final answer
    x = 963,701.59

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.