Home / 1,247,731.80-1,868,973.30-1,037,779.80

Finding the Fourth Proportional to 1,247,731.80, 1,868,973.30 and 1,037,779.80

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Solution

The fourth proportional to 1,247,731.80, 1,868,973.30 and 1,037,779.80 is: 1,554,486.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,247,731.80 : 1,868,973.30 = 1,037,779.80 : x
  2. Step 2: Convert to fraction form
    1,247,731.80/1,868,973.30 = 1,037,779.80/x
  3. Step 3: Cross multiply
    1,247,731.80x = 1,868,973.30 × 1,037,779.80
  4. Step 4: Simplify right side
    1,247,731.80x = 1,939,582,737,479.34
  5. Step 5: Solve for x
    x = 1,939,582,737,479.34/1,247,731.80
  6. Step 6: Final answer
    x = 1,554,486.90

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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.