Home / 1,091,335.51-1,628,468.15-977,859.77

Finding the Fourth Proportional to 1,091,335.51, 1,628,468.15 and 977,859.77

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Solution

The fourth proportional to 1,091,335.51, 1,628,468.15 and 977,859.77 is: 1,459,142.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,091,335.51 : 1,628,468.15 = 977,859.77 : x
  2. Step 2: Convert to fraction form
    1,091,335.51/1,628,468.15 = 977,859.77/x
  3. Step 3: Cross multiply
    1,091,335.51x = 1,628,468.15 × 977,859.77
  4. Step 4: Simplify right side
    1,091,335.51x = 1,592,413,490,611.33
  5. Step 5: Solve for x
    x = 1,592,413,490,611.33/1,091,335.51
  6. Step 6: Final answer
    x = 1,459,142.02

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.