Home / 1,545,644.96-2,319,134.88-836,172.80

Finding the Fourth Proportional to 1,545,644.96, 2,319,134.88 and 836,172.80

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Solution

The fourth proportional to 1,545,644.96, 2,319,134.88 and 836,172.80 is: 1,254,620.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,545,644.96 : 2,319,134.88 = 836,172.80 : x
  2. Step 2: Convert to fraction form
    1,545,644.96/2,319,134.88 = 836,172.80/x
  3. Step 3: Cross multiply
    1,545,644.96x = 2,319,134.88 × 836,172.80
  4. Step 4: Simplify right side
    1,545,644.96x = 1,939,197,506,187.26
  5. Step 5: Solve for x
    x = 1,939,197,506,187.26/1,545,644.96
  6. Step 6: Final answer
    x = 1,254,620.28

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.