Home / 1,091,915.40-1,637,873.10-714,001.80

Finding the Fourth Proportional to 1,091,915.40, 1,637,873.10 and 714,001.80

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Solution

The fourth proportional to 1,091,915.40, 1,637,873.10 and 714,001.80 is: 1,071,002.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,091,915.40 : 1,637,873.10 = 714,001.80 : x
  2. Step 2: Convert to fraction form
    1,091,915.40/1,637,873.10 = 714,001.80/x
  3. Step 3: Cross multiply
    1,091,915.40x = 1,637,873.10 × 714,001.80
  4. Step 4: Simplify right side
    1,091,915.40x = 1,169,444,341,571.58
  5. Step 5: Solve for x
    x = 1,169,444,341,571.58/1,091,915.40
  6. Step 6: Final answer
    x = 1,071,002.70

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.