Home / 1,608,689-2,412,497.64-648,896.72

Finding the Fourth Proportional to 1,608,689, 2,412,497.64 and 648,896.72

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Solution

The fourth proportional to 1,608,689, 2,412,497.64 and 648,896.72 is: 973,128.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,608,689 : 2,412,497.64 = 648,896.72 : x
  2. Step 2: Convert to fraction form
    1,608,689/2,412,497.64 = 648,896.72/x
  3. Step 3: Cross multiply
    1,608,689x = 2,412,497.64 × 648,896.72
  4. Step 4: Simplify right side
    1,608,689x = 1,565,461,805,603.74
  5. Step 5: Solve for x
    x = 1,565,461,805,603.74/1,608,689
  6. Step 6: Final answer
    x = 973,128.93

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.