Home / 1,410,412.60-2,115,618.90-413,140.60

Finding the Fourth Proportional to 1,410,412.60, 2,115,618.90 and 413,140.60

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Solution

The fourth proportional to 1,410,412.60, 2,115,618.90 and 413,140.60 is: 619,710.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,410,412.60 : 2,115,618.90 = 413,140.60 : x
  2. Step 2: Convert to fraction form
    1,410,412.60/2,115,618.90 = 413,140.60/x
  3. Step 3: Cross multiply
    1,410,412.60x = 2,115,618.90 × 413,140.60
  4. Step 4: Simplify right side
    1,410,412.60x = 874,048,061,717.34
  5. Step 5: Solve for x
    x = 874,048,061,717.34/1,410,412.60
  6. Step 6: Final answer
    x = 619,710.90

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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.