Home / 1,374,396.64-1,896,665.52-770,779.36

Finding the Fourth Proportional to 1,374,396.64, 1,896,665.52 and 770,779.36

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Solution

The fourth proportional to 1,374,396.64, 1,896,665.52 and 770,779.36 is: 1,063,674.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,374,396.64 : 1,896,665.52 = 770,779.36 : x
  2. Step 2: Convert to fraction form
    1,374,396.64/1,896,665.52 = 770,779.36/x
  3. Step 3: Cross multiply
    1,374,396.64x = 1,896,665.52 × 770,779.36
  4. Step 4: Simplify right side
    1,374,396.64x = 1,461,910,635,639.67
  5. Step 5: Solve for x
    x = 1,461,910,635,639.67/1,374,396.64
  6. Step 6: Final answer
    x = 1,063,674.48

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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.