Home / 1,280,599.54-1,767,073.53-707,561.26

Finding the Fourth Proportional to 1,280,599.54, 1,767,073.53 and 707,561.26

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Solution

The fourth proportional to 1,280,599.54, 1,767,073.53 and 707,561.26 is: 976,349.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,280,599.54 : 1,767,073.53 = 707,561.26 : x
  2. Step 2: Convert to fraction form
    1,280,599.54/1,767,073.53 = 707,561.26/x
  3. Step 3: Cross multiply
    1,280,599.54x = 1,767,073.53 × 707,561.26
  4. Step 4: Simplify right side
    1,280,599.54x = 1,250,312,773,399.45
  5. Step 5: Solve for x
    x = 1,250,312,773,399.45/1,280,599.54
  6. Step 6: Final answer
    x = 976,349.54

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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.