Home / 1,161,475.98-1,602,782.32-645,263.18

Finding the Fourth Proportional to 1,161,475.98, 1,602,782.32 and 645,263.18

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Solution

The fourth proportional to 1,161,475.98, 1,602,782.32 and 645,263.18 is: 890,432.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,161,475.98 : 1,602,782.32 = 645,263.18 : x
  2. Step 2: Convert to fraction form
    1,161,475.98/1,602,782.32 = 645,263.18/x
  3. Step 3: Cross multiply
    1,161,475.98x = 1,602,782.32 × 645,263.18
  4. Step 4: Simplify right side
    1,161,475.98x = 1,034,216,416,650.98
  5. Step 5: Solve for x
    x = 1,034,216,416,650.98/1,161,475.98
  6. Step 6: Final answer
    x = 890,432.89

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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.