Home / 1,133,423.20-1,699,950.30-459,477.28

Finding the Fourth Proportional to 1,133,423.20, 1,699,950.30 and 459,477.28

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Solution

The fourth proportional to 1,133,423.20, 1,699,950.30 and 459,477.28 is: 689,141.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,133,423.20 : 1,699,950.30 = 459,477.28 : x
  2. Step 2: Convert to fraction form
    1,133,423.20/1,699,950.30 = 459,477.28/x
  3. Step 3: Cross multiply
    1,133,423.20x = 1,699,950.30 × 459,477.28
  4. Step 4: Simplify right side
    1,133,423.20x = 781,088,539,979.18
  5. Step 5: Solve for x
    x = 781,088,539,979.18/1,133,423.20
  6. Step 6: Final answer
    x = 689,141.13

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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.