Home / 1,004,931.68-1,507,690.74-405,586.76

Finding the Fourth Proportional to 1,004,931.68, 1,507,690.74 and 405,586.76

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Solution

The fourth proportional to 1,004,931.68, 1,507,690.74 and 405,586.76 is: 608,498.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,004,931.68 : 1,507,690.74 = 405,586.76 : x
  2. Step 2: Convert to fraction form
    1,004,931.68/1,507,690.74 = 405,586.76/x
  3. Step 3: Cross multiply
    1,004,931.68x = 1,507,690.74 × 405,586.76
  4. Step 4: Simplify right side
    1,004,931.68x = 611,499,402,318.60
  5. Step 5: Solve for x
    x = 611,499,402,318.60/1,004,931.68
  6. Step 6: Final answer
    x = 608,498.48

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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.