Home / 1,609,275.32-2,220,032.57-1,172,756.80

Finding the Fourth Proportional to 1,609,275.32, 2,220,032.57 and 1,172,756.80

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Solution

The fourth proportional to 1,609,275.32, 2,220,032.57 and 1,172,756.80 is: 1,617,845.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,609,275.32 : 2,220,032.57 = 1,172,756.80 : x
  2. Step 2: Convert to fraction form
    1,609,275.32/2,220,032.57 = 1,172,756.80/x
  3. Step 3: Cross multiply
    1,609,275.32x = 2,220,032.57 × 1,172,756.80
  4. Step 4: Simplify right side
    1,609,275.32x = 2,603,558,292,688.98
  5. Step 5: Solve for x
    x = 2,603,558,292,688.98/1,609,275.32
  6. Step 6: Final answer
    x = 1,617,845.16

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.