Home / 1,303,209.95-1,797,363.47-917,302.86

Finding the Fourth Proportional to 1,303,209.95, 1,797,363.47 and 917,302.86

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Solution

The fourth proportional to 1,303,209.95, 1,797,363.47 and 917,302.86 is: 1,265,127.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,303,209.95 : 1,797,363.47 = 917,302.86 : x
  2. Step 2: Convert to fraction form
    1,303,209.95/1,797,363.47 = 917,302.86/x
  3. Step 3: Cross multiply
    1,303,209.95x = 1,797,363.47 × 917,302.86
  4. Step 4: Simplify right side
    1,303,209.95x = 1,648,726,651,490.52
  5. Step 5: Solve for x
    x = 1,648,726,651,490.52/1,303,209.95
  6. Step 6: Final answer
    x = 1,265,127.43

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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.