Home / 1,280,693.93-1,767,207.13-707,699.93

Finding the Fourth Proportional to 1,280,693.93, 1,767,207.13 and 707,699.93

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Solution

The fourth proportional to 1,280,693.93, 1,767,207.13 and 707,699.93 is: 976,542.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,280,693.93 : 1,767,207.13 = 707,699.93 : x
  2. Step 2: Convert to fraction form
    1,280,693.93/1,767,207.13 = 707,699.93/x
  3. Step 3: Cross multiply
    1,280,693.93x = 1,767,207.13 × 707,699.93
  4. Step 4: Simplify right side
    1,280,693.93x = 1,250,652,362,196.50
  5. Step 5: Solve for x
    x = 1,250,652,362,196.50/1,280,693.93
  6. Step 6: Final answer
    x = 976,542.74

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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.