Home / 993,942.30-1,490,913.45-679,014.30

Finding the Fourth Proportional to 993,942.30, 1,490,913.45 and 679,014.30

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Solution

The fourth proportional to 993,942.30, 1,490,913.45 and 679,014.30 is: 1,018,521.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    993,942.30 : 1,490,913.45 = 679,014.30 : x
  2. Step 2: Convert to fraction form
    993,942.30/1,490,913.45 = 679,014.30/x
  3. Step 3: Cross multiply
    993,942.30x = 1,490,913.45 × 679,014.30
  4. Step 4: Simplify right side
    993,942.30x = 1,012,351,552,612.34
  5. Step 5: Solve for x
    x = 1,012,351,552,612.34/993,942.30
  6. Step 6: Final answer
    x = 1,018,521.45

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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.