Home / 1,545,935.16-2,318,597.61-521,164.02

Finding the Fourth Proportional to 1,545,935.16, 2,318,597.61 and 521,164.02

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Solution

The fourth proportional to 1,545,935.16, 2,318,597.61 and 521,164.02 is: 781,643.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,545,935.16 : 2,318,597.61 = 521,164.02 : x
  2. Step 2: Convert to fraction form
    1,545,935.16/2,318,597.61 = 521,164.02/x
  3. Step 3: Cross multiply
    1,545,935.16x = 2,318,597.61 × 521,164.02
  4. Step 4: Simplify right side
    1,545,935.16x = 1,208,369,651,189.99
  5. Step 5: Solve for x
    x = 1,208,369,651,189.99/1,545,935.16
  6. Step 6: Final answer
    x = 781,643.16

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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.