Home / 1,239,109.75-1,710,000.93-695,285.77

Finding the Fourth Proportional to 1,239,109.75, 1,710,000.93 and 695,285.77

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Solution

The fourth proportional to 1,239,109.75, 1,710,000.93 and 695,285.77 is: 959,510.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,239,109.75 : 1,710,000.93 = 695,285.77 : x
  2. Step 2: Convert to fraction form
    1,239,109.75/1,710,000.93 = 695,285.77/x
  3. Step 3: Cross multiply
    1,239,109.75x = 1,710,000.93 × 695,285.77
  4. Step 4: Simplify right side
    1,239,109.75x = 1,188,939,313,315.77
  5. Step 5: Solve for x
    x = 1,188,939,313,315.77/1,239,109.75
  6. Step 6: Final answer
    x = 959,510.90

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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.