Home / 1,145,828.76-1,580,585.63-715,361.55

Finding the Fourth Proportional to 1,145,828.76, 1,580,585.63 and 715,361.55

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Solution

The fourth proportional to 1,145,828.76, 1,580,585.63 and 715,361.55 is: 986,788.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,145,828.76 : 1,580,585.63 = 715,361.55 : x
  2. Step 2: Convert to fraction form
    1,145,828.76/1,580,585.63 = 715,361.55/x
  3. Step 3: Cross multiply
    1,145,828.76x = 1,580,585.63 × 715,361.55
  4. Step 4: Simplify right side
    1,145,828.76x = 1,130,690,182,607.72
  5. Step 5: Solve for x
    x = 1,130,690,182,607.72/1,145,828.76
  6. Step 6: Final answer
    x = 986,788.10

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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.