Home / 1,461,009.07-2,015,602.98-971,215.42

Finding the Fourth Proportional to 1,461,009.07, 2,015,602.98 and 971,215.42

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Solution

The fourth proportional to 1,461,009.07, 2,015,602.98 and 971,215.42 is: 1,339,885.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,461,009.07 : 2,015,602.98 = 971,215.42 : x
  2. Step 2: Convert to fraction form
    1,461,009.07/2,015,602.98 = 971,215.42/x
  3. Step 3: Cross multiply
    1,461,009.07x = 2,015,602.98 × 971,215.42
  4. Step 4: Simplify right side
    1,461,009.07x = 1,957,584,694,773.95
  5. Step 5: Solve for x
    x = 1,957,584,694,773.95/1,461,009.07
  6. Step 6: Final answer
    x = 1,339,885.38

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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.