Home / 1,510,367.12-2,084,263.08-831,289.04

Finding the Fourth Proportional to 1,510,367.12, 2,084,263.08 and 831,289.04

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Solution

The fourth proportional to 1,510,367.12, 2,084,263.08 and 831,289.04 is: 1,147,154.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,510,367.12 : 2,084,263.08 = 831,289.04 : x
  2. Step 2: Convert to fraction form
    1,510,367.12/2,084,263.08 = 831,289.04/x
  3. Step 3: Cross multiply
    1,510,367.12x = 2,084,263.08 × 831,289.04
  4. Step 4: Simplify right side
    1,510,367.12x = 1,732,625,054,880.64
  5. Step 5: Solve for x
    x = 1,732,625,054,880.64/1,510,367.12
  6. Step 6: Final answer
    x = 1,147,154.91

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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.