Home / 1,487,069.28-2,052,168-808,005.72

Finding the Fourth Proportional to 1,487,069.28, 2,052,168 and 808,005.72

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Solution

The fourth proportional to 1,487,069.28, 2,052,168 and 808,005.72 is: 1,115,054.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,487,069.28 : 2,052,168 = 808,005.72 : x
  2. Step 2: Convert to fraction form
    1,487,069.28/2,052,168 = 808,005.72/x
  3. Step 3: Cross multiply
    1,487,069.28x = 2,052,168 × 808,005.72
  4. Step 4: Simplify right side
    1,487,069.28x = 1,658,163,482,400.96
  5. Step 5: Solve for x
    x = 1,658,163,482,400.96/1,487,069.28
  6. Step 6: Final answer
    x = 1,115,054.63

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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.