Home / 1,239,647.76-1,710,641.76-695,732.64

Finding the Fourth Proportional to 1,239,647.76, 1,710,641.76 and 695,732.64

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Solution

The fourth proportional to 1,239,647.76, 1,710,641.76 and 695,732.64 is: 960,070.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,239,647.76 : 1,710,641.76 = 695,732.64 : x
  2. Step 2: Convert to fraction form
    1,239,647.76/1,710,641.76 = 695,732.64/x
  3. Step 3: Cross multiply
    1,239,647.76x = 1,710,641.76 × 695,732.64
  4. Step 4: Simplify right side
    1,239,647.76x = 1,190,149,307,779.05
  5. Step 5: Solve for x
    x = 1,190,149,307,779.05/1,239,647.76
  6. Step 6: Final answer
    x = 960,070.55

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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.