Home / 1,303,191.95-1,797,338.63-917,284.86

Finding the Fourth Proportional to 1,303,191.95, 1,797,338.63 and 917,284.86

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Solution

The fourth proportional to 1,303,191.95, 1,797,338.63 and 917,284.86 is: 1,265,102.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,303,191.95 : 1,797,338.63 = 917,284.86 : x
  2. Step 2: Convert to fraction form
    1,303,191.95/1,797,338.63 = 917,284.86/x
  3. Step 3: Cross multiply
    1,303,191.95x = 1,797,338.63 × 917,284.86
  4. Step 4: Simplify right side
    1,303,191.95x = 1,648,671,515,885.35
  5. Step 5: Solve for x
    x = 1,648,671,515,885.35/1,303,191.95
  6. Step 6: Final answer
    x = 1,265,102.60

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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.