Home / 913,881.42-1,260,988.28-526,642.55

Finding the Fourth Proportional to 913,881.42, 1,260,988.28 and 526,642.55

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Solution

The fourth proportional to 913,881.42, 1,260,988.28 and 526,642.55 is: 726,669.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    913,881.42 : 1,260,988.28 = 526,642.55 : x
  2. Step 2: Convert to fraction form
    913,881.42/1,260,988.28 = 526,642.55/x
  3. Step 3: Cross multiply
    913,881.42x = 1,260,988.28 × 526,642.55
  4. Step 4: Simplify right side
    913,881.42x = 664,090,076,994.37
  5. Step 5: Solve for x
    x = 664,090,076,994.37/913,881.42
  6. Step 6: Final answer
    x = 726,669.85

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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.