Home / 1,157,438.34-1,736,157.72-483,151.86

Finding the Fourth Proportional to 1,157,438.34, 1,736,157.72 and 483,151.86

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Solution

The fourth proportional to 1,157,438.34, 1,736,157.72 and 483,151.86 is: 724,727.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,157,438.34 : 1,736,157.72 = 483,151.86 : x
  2. Step 2: Convert to fraction form
    1,157,438.34/1,736,157.72 = 483,151.86/x
  3. Step 3: Cross multiply
    1,157,438.34x = 1,736,157.72 × 483,151.86
  4. Step 4: Simplify right side
    1,157,438.34x = 838,827,831,671.36
  5. Step 5: Solve for x
    x = 838,827,831,671.36/1,157,438.34
  6. Step 6: Final answer
    x = 724,727.88

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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.