Home / 1,577,520.40-2,365,405.80-629,820.40

Finding the Fourth Proportional to 1,577,520.40, 2,365,405.80 and 629,820.40

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Solution

The fourth proportional to 1,577,520.40, 2,365,405.80 and 629,820.40 is: 944,381.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,577,520.40 : 2,365,405.80 = 629,820.40 : x
  2. Step 2: Convert to fraction form
    1,577,520.40/2,365,405.80 = 629,820.40/x
  3. Step 3: Cross multiply
    1,577,520.40x = 2,365,405.80 × 629,820.40
  4. Step 4: Simplify right side
    1,577,520.40x = 1,489,780,827,118.32
  5. Step 5: Solve for x
    x = 1,489,780,827,118.32/1,577,520.40
  6. Step 6: Final answer
    x = 944,381.34

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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.