Home / 1,695,281.40-2,339,531.64-931,354.20

Finding the Fourth Proportional to 1,695,281.40, 2,339,531.64 and 931,354.20

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Solution

The fourth proportional to 1,695,281.40, 2,339,531.64 and 931,354.20 is: 1,285,292.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,695,281.40 : 2,339,531.64 = 931,354.20 : x
  2. Step 2: Convert to fraction form
    1,695,281.40/2,339,531.64 = 931,354.20/x
  3. Step 3: Cross multiply
    1,695,281.40x = 2,339,531.64 × 931,354.20
  4. Step 4: Simplify right side
    1,695,281.40x = 2,178,932,618,946.89
  5. Step 5: Solve for x
    x = 2,178,932,618,946.89/1,695,281.40
  6. Step 6: Final answer
    x = 1,285,292.59

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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.