Home / 1,142,494.34-1,712,057.52-636,358.55

Finding the Fourth Proportional to 1,142,494.34, 1,712,057.52 and 636,358.55

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Solution

The fourth proportional to 1,142,494.34, 1,712,057.52 and 636,358.55 is: 953,599.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,142,494.34 : 1,712,057.52 = 636,358.55 : x
  2. Step 2: Convert to fraction form
    1,142,494.34/1,712,057.52 = 636,358.55/x
  3. Step 3: Cross multiply
    1,142,494.34x = 1,712,057.52 × 636,358.55
  4. Step 4: Simplify right side
    1,142,494.34x = 1,089,482,437,762.00
  5. Step 5: Solve for x
    x = 1,089,482,437,762.00/1,142,494.34
  6. Step 6: Final answer
    x = 953,599.86

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.