Home / 1,000,127.42-1,500,646.57-423,908.63

Finding the Fourth Proportional to 1,000,127.42, 1,500,646.57 and 423,908.63

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Solution

The fourth proportional to 1,000,127.42, 1,500,646.57 and 423,908.63 is: 636,055.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,000,127.42 : 1,500,646.57 = 423,908.63 : x
  2. Step 2: Convert to fraction form
    1,000,127.42/1,500,646.57 = 423,908.63/x
  3. Step 3: Cross multiply
    1,000,127.42x = 1,500,646.57 × 423,908.63
  4. Step 4: Simplify right side
    1,000,127.42x = 636,137,031,602.90
  5. Step 5: Solve for x
    x = 636,137,031,602.90/1,000,127.42
  6. Step 6: Final answer
    x = 636,055.99

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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.