Home / 1,298,542.24-1,791,957.01-709,815.51

Finding the Fourth Proportional to 1,298,542.24, 1,791,957.01 and 709,815.51

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Solution

The fourth proportional to 1,298,542.24, 1,791,957.01 and 709,815.51 is: 979,528.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,298,542.24 : 1,791,957.01 = 709,815.51 : x
  2. Step 2: Convert to fraction form
    1,298,542.24/1,791,957.01 = 709,815.51/x
  3. Step 3: Cross multiply
    1,298,542.24x = 1,791,957.01 × 709,815.51
  4. Step 4: Simplify right side
    1,298,542.24x = 1,271,958,878,951.23
  5. Step 5: Solve for x
    x = 1,271,958,878,951.23/1,298,542.24
  6. Step 6: Final answer
    x = 979,528.30

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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.