Home / 1,077,560.72-1,487,360.04-624,962.96

Finding the Fourth Proportional to 1,077,560.72, 1,487,360.04 and 624,962.96

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Solution

The fourth proportional to 1,077,560.72, 1,487,360.04 and 624,962.96 is: 862,638.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,077,560.72 : 1,487,360.04 = 624,962.96 : x
  2. Step 2: Convert to fraction form
    1,077,560.72/1,487,360.04 = 624,962.96/x
  3. Step 3: Cross multiply
    1,077,560.72x = 1,487,360.04 × 624,962.96
  4. Step 4: Simplify right side
    1,077,560.72x = 929,544,933,184.12
  5. Step 5: Solve for x
    x = 929,544,933,184.12/1,077,560.72
  6. Step 6: Final answer
    x = 862,638.10

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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.