Home / 1,005,998.32-1,388,271.27-570,498.22

Finding the Fourth Proportional to 1,005,998.32, 1,388,271.27 and 570,498.22

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Solution

The fourth proportional to 1,005,998.32, 1,388,271.27 and 570,498.22 is: 787,283.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,005,998.32 : 1,388,271.27 = 570,498.22 : x
  2. Step 2: Convert to fraction form
    1,005,998.32/1,388,271.27 = 570,498.22/x
  3. Step 3: Cross multiply
    1,005,998.32x = 1,388,271.27 × 570,498.22
  4. Step 4: Simplify right side
    1,005,998.32x = 792,006,288,412.14
  5. Step 5: Solve for x
    x = 792,006,288,412.14/1,005,998.32
  6. Step 6: Final answer
    x = 787,283.91

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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.