Home / 1,178,848.50-1,626,810.96-642,304.50

Finding the Fourth Proportional to 1,178,848.50, 1,626,810.96 and 642,304.50

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Solution

The fourth proportional to 1,178,848.50, 1,626,810.96 and 642,304.50 is: 886,380.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,178,848.50 : 1,626,810.96 = 642,304.50 : x
  2. Step 2: Convert to fraction form
    1,178,848.50/1,626,810.96 = 642,304.50/x
  3. Step 3: Cross multiply
    1,178,848.50x = 1,626,810.96 × 642,304.50
  4. Step 4: Simplify right side
    1,178,848.50x = 1,044,908,000,257.32
  5. Step 5: Solve for x
    x = 1,044,908,000,257.32/1,178,848.50
  6. Step 6: Final answer
    x = 886,380.23

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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.