Home / 1,000,127.55-1,500,646.76-423,908.75

Finding the Fourth Proportional to 1,000,127.55, 1,500,646.76 and 423,908.75

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Solution

The fourth proportional to 1,000,127.55, 1,500,646.76 and 423,908.75 is: 636,056.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,000,127.55 : 1,500,646.76 = 423,908.75 : x
  2. Step 2: Convert to fraction form
    1,000,127.55/1,500,646.76 = 423,908.75/x
  3. Step 3: Cross multiply
    1,000,127.55x = 1,500,646.76 × 423,908.75
  4. Step 4: Simplify right side
    1,000,127.55x = 636,137,295,444.88
  5. Step 5: Solve for x
    x = 636,137,295,444.88/1,000,127.55
  6. Step 6: Final answer
    x = 636,056.16

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1.5x scale

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.