Home / 1,457,913.96-2,186,890.56-511,312.32

Finding the Fourth Proportional to 1,457,913.96, 2,186,890.56 and 511,312.32

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Solution

The fourth proportional to 1,457,913.96, 2,186,890.56 and 511,312.32 is: 766,975.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,457,913.96 : 2,186,890.56 = 511,312.32 : x
  2. Step 2: Convert to fraction form
    1,457,913.96/2,186,890.56 = 511,312.32/x
  3. Step 3: Cross multiply
    1,457,913.96x = 2,186,890.56 × 511,312.32
  4. Step 4: Simplify right side
    1,457,913.96x = 1,118,184,085,819.70
  5. Step 5: Solve for x
    x = 1,118,184,085,819.70/1,457,913.96
  6. Step 6: Final answer
    x = 766,975.36

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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.