Home / 1,126,678.50-1,554,816.33-649,750.50

Finding the Fourth Proportional to 1,126,678.50, 1,554,816.33 and 649,750.50

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Solution

The fourth proportional to 1,126,678.50, 1,554,816.33 and 649,750.50 is: 896,655.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,126,678.50 : 1,554,816.33 = 649,750.50 : x
  2. Step 2: Convert to fraction form
    1,126,678.50/1,554,816.33 = 649,750.50/x
  3. Step 3: Cross multiply
    1,126,678.50x = 1,554,816.33 × 649,750.50
  4. Step 4: Simplify right side
    1,126,678.50x = 1,010,242,687,825.67
  5. Step 5: Solve for x
    x = 1,010,242,687,825.67/1,126,678.50
  6. Step 6: Final answer
    x = 896,655.69

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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.