Home / 1,154,848.32-1,593,725.88-645,572.16

Finding the Fourth Proportional to 1,154,848.32, 1,593,725.88 and 645,572.16

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Solution

The fourth proportional to 1,154,848.32, 1,593,725.88 and 645,572.16 is: 890,909.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,154,848.32 : 1,593,725.88 = 645,572.16 : x
  2. Step 2: Convert to fraction form
    1,154,848.32/1,593,725.88 = 645,572.16/x
  3. Step 3: Cross multiply
    1,154,848.32x = 1,593,725.88 × 645,572.16
  4. Step 4: Simplify right side
    1,154,848.32x = 1,028,865,058,799.50
  5. Step 5: Solve for x
    x = 1,028,865,058,799.50/1,154,848.32
  6. Step 6: Final answer
    x = 890,909.26

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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.