Home / 1,510,670.25-2,084,724.95-831,606.75

Finding the Fourth Proportional to 1,510,670.25, 2,084,724.95 and 831,606.75

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Solution

The fourth proportional to 1,510,670.25, 2,084,724.95 and 831,606.75 is: 1,147,617.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,510,670.25 : 2,084,724.95 = 831,606.75 : x
  2. Step 2: Convert to fraction form
    1,510,670.25/2,084,724.95 = 831,606.75/x
  3. Step 3: Cross multiply
    1,510,670.25x = 2,084,724.95 × 831,606.75
  4. Step 4: Simplify right side
    1,510,670.25x = 1,733,671,336,155.38
  5. Step 5: Solve for x
    x = 1,733,671,336,155.38/1,510,670.25
  6. Step 6: Final answer
    x = 1,147,617.32

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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.