Home / 1,487,365.17-2,051,808.53-971,421.09

Finding the Fourth Proportional to 1,487,365.17, 2,051,808.53 and 971,421.09

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Solution

The fourth proportional to 1,487,365.17, 2,051,808.53 and 971,421.09 is: 1,340,067.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,487,365.17 : 2,051,808.53 = 971,421.09 : x
  2. Step 2: Convert to fraction form
    1,487,365.17/2,051,808.53 = 971,421.09/x
  3. Step 3: Cross multiply
    1,487,365.17x = 2,051,808.53 × 971,421.09
  4. Step 4: Simplify right side
    1,487,365.17x = 1,993,170,073,826.79
  5. Step 5: Solve for x
    x = 1,993,170,073,826.79/1,487,365.17
  6. Step 6: Final answer
    x = 1,340,067.73

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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.