Home / 1,013,502.42-1,400,152.50-665,468.54

Finding the Fourth Proportional to 1,013,502.42, 1,400,152.50 and 665,468.54

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Solution

The fourth proportional to 1,013,502.42, 1,400,152.50 and 665,468.54 is: 919,344.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,013,502.42 : 1,400,152.50 = 665,468.54 : x
  2. Step 2: Convert to fraction form
    1,013,502.42/1,400,152.50 = 665,468.54/x
  3. Step 3: Cross multiply
    1,013,502.42x = 1,400,152.50 × 665,468.54
  4. Step 4: Simplify right side
    1,013,502.42x = 931,757,439,952.35
  5. Step 5: Solve for x
    x = 931,757,439,952.35/1,013,502.42
  6. Step 6: Final answer
    x = 919,344.07

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.