Home / 1,280,242.56-1,766,583.36-707,248.32

Finding the Fourth Proportional to 1,280,242.56, 1,766,583.36 and 707,248.32

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Solution

The fourth proportional to 1,280,242.56, 1,766,583.36 and 707,248.32 is: 975,919.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,280,242.56 : 1,766,583.36 = 707,248.32 : x
  2. Step 2: Convert to fraction form
    1,280,242.56/1,766,583.36 = 707,248.32/x
  3. Step 3: Cross multiply
    1,280,242.56x = 1,766,583.36 × 707,248.32
  4. Step 4: Simplify right side
    1,280,242.56x = 1,249,413,113,499.96
  5. Step 5: Solve for x
    x = 1,249,413,113,499.96/1,280,242.56
  6. Step 6: Final answer
    x = 975,919.06

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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.