Home / 1,359,212.16-2,037,471.52-638,263.28

Finding the Fourth Proportional to 1,359,212.16, 2,037,471.52 and 638,263.28

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Solution

The fourth proportional to 1,359,212.16, 2,037,471.52 and 638,263.28 is: 956,762.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,359,212.16 : 2,037,471.52 = 638,263.28 : x
  2. Step 2: Convert to fraction form
    1,359,212.16/2,037,471.52 = 638,263.28/x
  3. Step 3: Cross multiply
    1,359,212.16x = 2,037,471.52 × 638,263.28
  4. Step 4: Simplify right side
    1,359,212.16x = 1,300,443,255,261.79
  5. Step 5: Solve for x
    x = 1,300,443,255,261.79/1,359,212.16
  6. Step 6: Final answer
    x = 956,762.52

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.