Home / 1,407,742.65-2,112,141.66-649,947.15

Finding the Fourth Proportional to 1,407,742.65, 2,112,141.66 and 649,947.15

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Solution

The fourth proportional to 1,407,742.65, 2,112,141.66 and 649,947.15 is: 975,164.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,407,742.65 : 2,112,141.66 = 649,947.15 : x
  2. Step 2: Convert to fraction form
    1,407,742.65/2,112,141.66 = 649,947.15/x
  3. Step 3: Cross multiply
    1,407,742.65x = 2,112,141.66 × 649,947.15
  4. Step 4: Simplify right side
    1,407,742.65x = 1,372,780,452,313.27
  5. Step 5: Solve for x
    x = 1,372,780,452,313.27/1,407,742.65
  6. Step 6: Final answer
    x = 975,164.35

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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.