Home / 1,580,685.68-2,181,386.10-969,175.62

Finding the Fourth Proportional to 1,580,685.68, 2,181,386.10 and 969,175.62

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Solution

The fourth proportional to 1,580,685.68, 2,181,386.10 and 969,175.62 is: 1,337,486.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,580,685.68 : 2,181,386.10 = 969,175.62 : x
  2. Step 2: Convert to fraction form
    1,580,685.68/2,181,386.10 = 969,175.62/x
  3. Step 3: Cross multiply
    1,580,685.68x = 2,181,386.10 × 969,175.62
  4. Step 4: Simplify right side
    1,580,685.68x = 2,114,146,232,970.63
  5. Step 5: Solve for x
    x = 2,114,146,232,970.63/1,580,685.68
  6. Step 6: Final answer
    x = 1,337,486.80

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1.5x scale

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.