Home / 1,570,320.32-2,167,042.40-854,928.32

Finding the Fourth Proportional to 1,570,320.32, 2,167,042.40 and 854,928.32

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Solution

The fourth proportional to 1,570,320.32, 2,167,042.40 and 854,928.32 is: 1,179,801.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,570,320.32 : 2,167,042.40 = 854,928.32 : x
  2. Step 2: Convert to fraction form
    1,570,320.32/2,167,042.40 = 854,928.32/x
  3. Step 3: Cross multiply
    1,570,320.32x = 2,167,042.40 × 854,928.32
  4. Step 4: Simplify right side
    1,570,320.32x = 1,852,665,918,400.77
  5. Step 5: Solve for x
    x = 1,852,665,918,400.77/1,570,320.32
  6. Step 6: Final answer
    x = 1,179,801.28

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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.