Home / 1,510,079.36-2,083,909.81-831,015.86

Finding the Fourth Proportional to 1,510,079.36, 2,083,909.81 and 831,015.86

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Solution

The fourth proportional to 1,510,079.36, 2,083,909.81 and 831,015.86 is: 1,146,802.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,510,079.36 : 2,083,909.81 = 831,015.86 : x
  2. Step 2: Convert to fraction form
    1,510,079.36/2,083,909.81 = 831,015.86/x
  3. Step 3: Cross multiply
    1,510,079.36x = 2,083,909.81 × 831,015.86
  4. Step 4: Simplify right side
    1,510,079.36x = 1,731,762,094,577.58
  5. Step 5: Solve for x
    x = 1,731,762,094,577.58/1,510,079.36
  6. Step 6: Final answer
    x = 1,146,802.05

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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.