Home / 1,005,037.34-1,507,613.47-285,322.75

Finding the Fourth Proportional to 1,005,037.34, 1,507,613.47 and 285,322.75

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Solution

The fourth proportional to 1,005,037.34, 1,507,613.47 and 285,322.75 is: 428,000.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,005,037.34 : 1,507,613.47 = 285,322.75 : x
  2. Step 2: Convert to fraction form
    1,005,037.34/1,507,613.47 = 285,322.75/x
  3. Step 3: Cross multiply
    1,005,037.34x = 1,507,613.47 × 285,322.75
  4. Step 4: Simplify right side
    1,005,037.34x = 430,156,416,715.10
  5. Step 5: Solve for x
    x = 430,156,416,715.10/1,005,037.34
  6. Step 6: Final answer
    x = 428,000.44

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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.