Home / 1,374,172.52-1,896,376.74-1,029,397.64

Finding the Fourth Proportional to 1,374,172.52, 1,896,376.74 and 1,029,397.64

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Solution

The fourth proportional to 1,374,172.52, 1,896,376.74 and 1,029,397.64 is: 1,420,582.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,374,172.52 : 1,896,376.74 = 1,029,397.64 : x
  2. Step 2: Convert to fraction form
    1,374,172.52/1,896,376.74 = 1,029,397.64/x
  3. Step 3: Cross multiply
    1,374,172.52x = 1,896,376.74 × 1,029,397.64
  4. Step 4: Simplify right side
    1,374,172.52x = 1,952,125,740,706.89
  5. Step 5: Solve for x
    x = 1,952,125,740,706.89/1,374,172.52
  6. Step 6: Final answer
    x = 1,420,582.72

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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.