Home / 1,515,871.04-2,091,902.40-836,808

Finding the Fourth Proportional to 1,515,871.04, 2,091,902.40 and 836,808

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Solution

The fourth proportional to 1,515,871.04, 2,091,902.40 and 836,808 is: 1,154,795.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,515,871.04 : 2,091,902.40 = 836,808 : x
  2. Step 2: Convert to fraction form
    1,515,871.04/2,091,902.40 = 836,808/x
  3. Step 3: Cross multiply
    1,515,871.04x = 2,091,902.40 × 836,808
  4. Step 4: Simplify right side
    1,515,871.04x = 1,750,520,663,539.20
  5. Step 5: Solve for x
    x = 1,750,520,663,539.20/1,515,871.04
  6. Step 6: Final answer
    x = 1,154,795.24

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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.