Home / 1,004,817.40-1,507,226.10-256,823.80

Finding the Fourth Proportional to 1,004,817.40, 1,507,226.10 and 256,823.80

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Solution

The fourth proportional to 1,004,817.40, 1,507,226.10 and 256,823.80 is: 385,235.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,004,817.40 : 1,507,226.10 = 256,823.80 : x
  2. Step 2: Convert to fraction form
    1,004,817.40/1,507,226.10 = 256,823.80/x
  3. Step 3: Cross multiply
    1,004,817.40x = 1,507,226.10 × 256,823.80
  4. Step 4: Simplify right side
    1,004,817.40x = 387,091,534,461.18
  5. Step 5: Solve for x
    x = 387,091,534,461.18/1,004,817.40
  6. Step 6: Final answer
    x = 385,235.70

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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.