Home / 1,412,555.40-2,118,962.70-465,928.20

Finding the Fourth Proportional to 1,412,555.40, 2,118,962.70 and 465,928.20

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Solution

The fourth proportional to 1,412,555.40, 2,118,962.70 and 465,928.20 is: 698,935.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,412,555.40 : 2,118,962.70 = 465,928.20 : x
  2. Step 2: Convert to fraction form
    1,412,555.40/2,118,962.70 = 465,928.20/x
  3. Step 3: Cross multiply
    1,412,555.40x = 2,118,962.70 × 465,928.20
  4. Step 4: Simplify right side
    1,412,555.40x = 987,284,476,678.14
  5. Step 5: Solve for x
    x = 987,284,476,678.14/1,412,555.40
  6. Step 6: Final answer
    x = 698,935.05

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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.