Home / 1,030,656.39-1,545,992.80-423,288.21

Finding the Fourth Proportional to 1,030,656.39, 1,545,992.80 and 423,288.21

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Solution

The fourth proportional to 1,030,656.39, 1,545,992.80 and 423,288.21 is: 634,935.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,030,656.39 : 1,545,992.80 = 423,288.21 : x
  2. Step 2: Convert to fraction form
    1,030,656.39/1,545,992.80 = 423,288.21/x
  3. Step 3: Cross multiply
    1,030,656.39x = 1,545,992.80 × 423,288.21
  4. Step 4: Simplify right side
    1,030,656.39x = 654,400,529,724.14
  5. Step 5: Solve for x
    x = 654,400,529,724.14/1,030,656.39
  6. Step 6: Final answer
    x = 634,935.70

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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.