Home / 1,779,918.32-2,669,878.38-432,083

Finding the Fourth Proportional to 1,779,918.32, 2,669,878.38 and 432,083

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Solution

The fourth proportional to 1,779,918.32, 2,669,878.38 and 432,083 is: 648,124.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,779,918.32 : 2,669,878.38 = 432,083 : x
  2. Step 2: Convert to fraction form
    1,779,918.32/2,669,878.38 = 432,083/x
  3. Step 3: Cross multiply
    1,779,918.32x = 2,669,878.38 × 432,083
  4. Step 4: Simplify right side
    1,779,918.32x = 1,153,609,060,065.54
  5. Step 5: Solve for x
    x = 1,153,609,060,065.54/1,779,918.32
  6. Step 6: Final answer
    x = 648,124.72

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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.