Home / 877,556.10-1,316,334.15-718,123.80

Finding the Fourth Proportional to 877,556.10, 1,316,334.15 and 718,123.80

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Solution

The fourth proportional to 877,556.10, 1,316,334.15 and 718,123.80 is: 1,077,185.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    877,556.10 : 1,316,334.15 = 718,123.80 : x
  2. Step 2: Convert to fraction form
    877,556.10/1,316,334.15 = 718,123.80/x
  3. Step 3: Cross multiply
    877,556.10x = 1,316,334.15 × 718,123.80
  4. Step 4: Simplify right side
    877,556.10x = 945,290,881,867.77
  5. Step 5: Solve for x
    x = 945,290,881,867.77/877,556.10
  6. Step 6: Final answer
    x = 1,077,185.70

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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.