Home / 1,146,611.18-1,582,341.13-630,387.45

Finding the Fourth Proportional to 1,146,611.18, 1,582,341.13 and 630,387.45

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Solution

The fourth proportional to 1,146,611.18, 1,582,341.13 and 630,387.45 is: 869,944.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,146,611.18 : 1,582,341.13 = 630,387.45 : x
  2. Step 2: Convert to fraction form
    1,146,611.18/1,582,341.13 = 630,387.45/x
  3. Step 3: Cross multiply
    1,146,611.18x = 1,582,341.13 × 630,387.45
  4. Step 4: Simplify right side
    1,146,611.18x = 997,487,989,970.82
  5. Step 5: Solve for x
    x = 997,487,989,970.82/1,146,611.18
  6. Step 6: Final answer
    x = 869,944.41

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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.