Home / 1,490,136.08-2,056,432.20-917,506.64

Finding the Fourth Proportional to 1,490,136.08, 2,056,432.20 and 917,506.64

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Solution

The fourth proportional to 1,490,136.08, 2,056,432.20 and 917,506.64 is: 1,266,186.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,490,136.08 : 2,056,432.20 = 917,506.64 : x
  2. Step 2: Convert to fraction form
    1,490,136.08/2,056,432.20 = 917,506.64/x
  3. Step 3: Cross multiply
    1,490,136.08x = 2,056,432.20 × 917,506.64
  4. Step 4: Simplify right side
    1,490,136.08x = 1,886,790,198,209.81
  5. Step 5: Solve for x
    x = 1,886,790,198,209.81/1,490,136.08
  6. Step 6: Final answer
    x = 1,266,186.51

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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.