Home / 1,551,506.24-2,141,688.48-978,432.32

Finding the Fourth Proportional to 1,551,506.24, 2,141,688.48 and 978,432.32

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Solution

The fourth proportional to 1,551,506.24, 2,141,688.48 and 978,432.32 is: 1,350,621.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,551,506.24 : 2,141,688.48 = 978,432.32 : x
  2. Step 2: Convert to fraction form
    1,551,506.24/2,141,688.48 = 978,432.32/x
  3. Step 3: Cross multiply
    1,551,506.24x = 2,141,688.48 × 978,432.32
  4. Step 4: Simplify right side
    1,551,506.24x = 2,095,497,228,203.67
  5. Step 5: Solve for x
    x = 2,095,497,228,203.67/1,551,506.24
  6. Step 6: Final answer
    x = 1,350,621.21

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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.