Home / 1,146,658.36-1,582,389.56-630,421.04

Finding the Fourth Proportional to 1,146,658.36, 1,582,389.56 and 630,421.04

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Solution

The fourth proportional to 1,146,658.36, 1,582,389.56 and 630,421.04 is: 869,981.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,146,658.36 : 1,582,389.56 = 630,421.04 : x
  2. Step 2: Convert to fraction form
    1,146,658.36/1,582,389.56 = 630,421.04/x
  3. Step 3: Cross multiply
    1,146,658.36x = 1,582,389.56 × 630,421.04
  4. Step 4: Simplify right side
    1,146,658.36x = 997,571,672,904.21
  5. Step 5: Solve for x
    x = 997,571,672,904.21/1,146,658.36
  6. Step 6: Final answer
    x = 869,981.60

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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.