Home / 1,790,208.51-2,685,239.93-442,337.16

Finding the Fourth Proportional to 1,790,208.51, 2,685,239.93 and 442,337.16

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Solution

The fourth proportional to 1,790,208.51, 2,685,239.93 and 442,337.16 is: 663,487.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,790,208.51 : 2,685,239.93 = 442,337.16 : x
  2. Step 2: Convert to fraction form
    1,790,208.51/2,685,239.93 = 442,337.16/x
  3. Step 3: Cross multiply
    1,790,208.51x = 2,685,239.93 × 442,337.16
  4. Step 4: Simplify right side
    1,790,208.51x = 1,187,781,402,343.11
  5. Step 5: Solve for x
    x = 1,187,781,402,343.11/1,790,208.51
  6. Step 6: Final answer
    x = 663,487.74

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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.