Home / 994,307.52-1,490,885.28-679,145.28

Finding the Fourth Proportional to 994,307.52, 1,490,885.28 and 679,145.28

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Solution

The fourth proportional to 994,307.52, 1,490,885.28 and 679,145.28 is: 1,018,324.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    994,307.52 : 1,490,885.28 = 679,145.28 : x
  2. Step 2: Convert to fraction form
    994,307.52/1,490,885.28 = 679,145.28/x
  3. Step 3: Cross multiply
    994,307.52x = 1,490,885.28 × 679,145.28
  4. Step 4: Simplify right side
    994,307.52x = 1,012,527,700,933.48
  5. Step 5: Solve for x
    x = 1,012,527,700,933.48/994,307.52
  6. Step 6: Final answer
    x = 1,018,324.49

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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.