Home / 1,287,566.34-1,931,349.68-488,848.31

Finding the Fourth Proportional to 1,287,566.34, 1,931,349.68 and 488,848.31

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Solution

The fourth proportional to 1,287,566.34, 1,931,349.68 and 488,848.31 is: 733,272.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,287,566.34 : 1,931,349.68 = 488,848.31 : x
  2. Step 2: Convert to fraction form
    1,287,566.34/1,931,349.68 = 488,848.31/x
  3. Step 3: Cross multiply
    1,287,566.34x = 1,931,349.68 × 488,848.31
  4. Step 4: Simplify right side
    1,287,566.34x = 944,137,024,642.80
  5. Step 5: Solve for x
    x = 944,137,024,642.80/1,287,566.34
  6. Step 6: Final answer
    x = 733,272.53

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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.