Home / 1,530,382.32-2,112,109.56-877,242.06

Finding the Fourth Proportional to 1,530,382.32, 2,112,109.56 and 877,242.06

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Solution

The fourth proportional to 1,530,382.32, 2,112,109.56 and 877,242.06 is: 1,210,698.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,530,382.32 : 2,112,109.56 = 877,242.06 : x
  2. Step 2: Convert to fraction form
    1,530,382.32/2,112,109.56 = 877,242.06/x
  3. Step 3: Cross multiply
    1,530,382.32x = 2,112,109.56 × 877,242.06
  4. Step 4: Simplify right side
    1,530,382.32x = 1,852,831,341,360.09
  5. Step 5: Solve for x
    x = 1,852,831,341,360.09/1,530,382.32
  6. Step 6: Final answer
    x = 1,210,698.34

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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.