Home / 1,412,257.80-2,118,386.70-465,400.20

Finding the Fourth Proportional to 1,412,257.80, 2,118,386.70 and 465,400.20

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Solution

The fourth proportional to 1,412,257.80, 2,118,386.70 and 465,400.20 is: 698,100.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,412,257.80 : 2,118,386.70 = 465,400.20 : x
  2. Step 2: Convert to fraction form
    1,412,257.80/2,118,386.70 = 465,400.20/x
  3. Step 3: Cross multiply
    1,412,257.80x = 2,118,386.70 × 465,400.20
  4. Step 4: Simplify right side
    1,412,257.80x = 985,897,593,857.34
  5. Step 5: Solve for x
    x = 985,897,593,857.34/1,412,257.80
  6. Step 6: Final answer
    x = 698,100.30

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1.5x scale

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.