Home / 1,427,783.60-2,141,772.60-455,070.80

Finding the Fourth Proportional to 1,427,783.60, 2,141,772.60 and 455,070.80

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Solution

The fourth proportional to 1,427,783.60, 2,141,772.60 and 455,070.80 is: 682,637.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,427,783.60 : 2,141,772.60 = 455,070.80 : x
  2. Step 2: Convert to fraction form
    1,427,783.60/2,141,772.60 = 455,070.80/x
  3. Step 3: Cross multiply
    1,427,783.60x = 2,141,772.60 × 455,070.80
  4. Step 4: Simplify right side
    1,427,783.60x = 974,658,170,500.08
  5. Step 5: Solve for x
    x = 974,658,170,500.08/1,427,783.60
  6. Step 6: Final answer
    x = 682,637.18

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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.