Home / 1,488,390.33-2,229,776.08-879,361.40

Finding the Fourth Proportional to 1,488,390.33, 2,229,776.08 and 879,361.40

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Solution

The fourth proportional to 1,488,390.33, 2,229,776.08 and 879,361.40 is: 1,317,382.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,488,390.33 : 2,229,776.08 = 879,361.40 : x
  2. Step 2: Convert to fraction form
    1,488,390.33/2,229,776.08 = 879,361.40/x
  3. Step 3: Cross multiply
    1,488,390.33x = 2,229,776.08 × 879,361.40
  4. Step 4: Simplify right side
    1,488,390.33x = 1,960,779,015,395.31
  5. Step 5: Solve for x
    x = 1,960,779,015,395.31/1,488,390.33
  6. Step 6: Final answer
    x = 1,317,382.26

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.