Home / 1,146,652.55-1,582,381.53-630,415.23

Finding the Fourth Proportional to 1,146,652.55, 1,582,381.53 and 630,415.23

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Solution

The fourth proportional to 1,146,652.55, 1,582,381.53 and 630,415.23 is: 869,973.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,146,652.55 : 1,582,381.53 = 630,415.23 : x
  2. Step 2: Convert to fraction form
    1,146,652.55/1,582,381.53 = 630,415.23/x
  3. Step 3: Cross multiply
    1,146,652.55x = 1,582,381.53 × 630,415.23
  4. Step 4: Simplify right side
    1,146,652.55x = 997,557,416,182.70
  5. Step 5: Solve for x
    x = 997,557,416,182.70/1,146,652.55
  6. Step 6: Final answer
    x = 869,973.57

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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.