Home / 1,146,612.64-1,582,285.12-630,362.77

Finding the Fourth Proportional to 1,146,612.64, 1,582,285.12 and 630,362.77

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Solution

The fourth proportional to 1,146,612.64, 1,582,285.12 and 630,362.77 is: 869,878.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,146,612.64 : 1,582,285.12 = 630,362.77 : x
  2. Step 2: Convert to fraction form
    1,146,612.64/1,582,285.12 = 630,362.77/x
  3. Step 3: Cross multiply
    1,146,612.64x = 1,582,285.12 × 630,362.77
  4. Step 4: Simplify right side
    1,146,612.64x = 997,413,631,172.98
  5. Step 5: Solve for x
    x = 997,413,631,172.98/1,146,612.64
  6. Step 6: Final answer
    x = 869,878.45

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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.