Home / 1,369,565.06-1,890,605.15-818,475.23

Finding the Fourth Proportional to 1,369,565.06, 1,890,605.15 and 818,475.23

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Solution

The fourth proportional to 1,369,565.06, 1,890,605.15 and 818,475.23 is: 1,129,857.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,369,565.06 : 1,890,605.15 = 818,475.23 : x
  2. Step 2: Convert to fraction form
    1,369,565.06/1,890,605.15 = 818,475.23/x
  3. Step 3: Cross multiply
    1,369,565.06x = 1,890,605.15 × 818,475.23
  4. Step 4: Simplify right side
    1,369,565.06x = 1,547,413,493,292.78
  5. Step 5: Solve for x
    x = 1,547,413,493,292.78/1,369,565.06
  6. Step 6: Final answer
    x = 1,129,857.60

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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.