Home / 1,139,461.80-1,572,282.60-655,933.51

Finding the Fourth Proportional to 1,139,461.80, 1,572,282.60 and 655,933.51

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Solution

The fourth proportional to 1,139,461.80, 1,572,282.60 and 655,933.51 is: 905,087.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,139,461.80 : 1,572,282.60 = 655,933.51 : x
  2. Step 2: Convert to fraction form
    1,139,461.80/1,572,282.60 = 655,933.51/x
  3. Step 3: Cross multiply
    1,139,461.80x = 1,572,282.60 × 655,933.51
  4. Step 4: Simplify right side
    1,139,461.80x = 1,031,312,844,529.93
  5. Step 5: Solve for x
    x = 1,031,312,844,529.93/1,139,461.80
  6. Step 6: Final answer
    x = 905,087.69

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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.