Home / 1,412,583.70-2,118,875.55-465,904.30

Finding the Fourth Proportional to 1,412,583.70, 2,118,875.55 and 465,904.30

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Solution

The fourth proportional to 1,412,583.70, 2,118,875.55 and 465,904.30 is: 698,856.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,412,583.70 : 2,118,875.55 = 465,904.30 : x
  2. Step 2: Convert to fraction form
    1,412,583.70/2,118,875.55 = 465,904.30/x
  3. Step 3: Cross multiply
    1,412,583.70x = 2,118,875.55 × 465,904.30
  4. Step 4: Simplify right side
    1,412,583.70x = 987,193,229,909.87
  5. Step 5: Solve for x
    x = 987,193,229,909.87/1,412,583.70
  6. Step 6: Final answer
    x = 698,856.45

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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.