Home / 1,580,712.96-2,181,401.28-901,689.60

Finding the Fourth Proportional to 1,580,712.96, 2,181,401.28 and 901,689.60

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Solution

The fourth proportional to 1,580,712.96, 2,181,401.28 and 901,689.60 is: 1,244,341.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,580,712.96 : 2,181,401.28 = 901,689.60 : x
  2. Step 2: Convert to fraction form
    1,580,712.96/2,181,401.28 = 901,689.60/x
  3. Step 3: Cross multiply
    1,580,712.96x = 2,181,401.28 × 901,689.60
  4. Step 4: Simplify right side
    1,580,712.96x = 1,966,946,847,602.69
  5. Step 5: Solve for x
    x = 1,966,946,847,602.69/1,580,712.96
  6. Step 6: Final answer
    x = 1,244,341.57

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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.