Home / 1,284,342.96-1,771,961.40-740,466.74

Finding the Fourth Proportional to 1,284,342.96, 1,771,961.40 and 740,466.74

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Solution

The fourth proportional to 1,284,342.96, 1,771,961.40 and 740,466.74 is: 1,021,595.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,284,342.96 : 1,771,961.40 = 740,466.74 : x
  2. Step 2: Convert to fraction form
    1,284,342.96/1,771,961.40 = 740,466.74/x
  3. Step 3: Cross multiply
    1,284,342.96x = 1,771,961.40 × 740,466.74
  4. Step 4: Simplify right side
    1,284,342.96x = 1,312,078,481,263.84
  5. Step 5: Solve for x
    x = 1,312,078,481,263.84/1,284,342.96
  6. Step 6: Final answer
    x = 1,021,595.11

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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.