Home / 1,146,740.90-1,582,405.08-630,466.88

Finding the Fourth Proportional to 1,146,740.90, 1,582,405.08 and 630,466.88

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Solution

The fourth proportional to 1,146,740.90, 1,582,405.08 and 630,466.88 is: 869,990.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,146,740.90 : 1,582,405.08 = 630,466.88 : x
  2. Step 2: Convert to fraction form
    1,146,740.90/1,582,405.08 = 630,466.88/x
  3. Step 3: Cross multiply
    1,146,740.90x = 1,582,405.08 × 630,466.88
  4. Step 4: Simplify right side
    1,146,740.90x = 997,653,993,683.75
  5. Step 5: Solve for x
    x = 997,653,993,683.75/1,146,740.90
  6. Step 6: Final answer
    x = 869,990.77

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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.