Home / 1,790,210.71-2,685,243.18-442,339.34

Finding the Fourth Proportional to 1,790,210.71, 2,685,243.18 and 442,339.34

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Solution

The fourth proportional to 1,790,210.71, 2,685,243.18 and 442,339.34 is: 663,491.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,790,210.71 : 2,685,243.18 = 442,339.34 : x
  2. Step 2: Convert to fraction form
    1,790,210.71/2,685,243.18 = 442,339.34/x
  3. Step 3: Cross multiply
    1,790,210.71x = 2,685,243.18 × 442,339.34
  4. Step 4: Simplify right side
    1,790,210.71x = 1,187,788,695,980.70
  5. Step 5: Solve for x
    x = 1,187,788,695,980.70/1,790,210.71
  6. Step 6: Final answer
    x = 663,491.00

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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.