Home / 1,509,909.86-2,083,675.52-830,846.36

Finding the Fourth Proportional to 1,509,909.86, 2,083,675.52 and 830,846.36

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Solution

The fourth proportional to 1,509,909.86, 2,083,675.52 and 830,846.36 is: 1,146,567.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,509,909.86 : 2,083,675.52 = 830,846.36 : x
  2. Step 2: Convert to fraction form
    1,509,909.86/2,083,675.52 = 830,846.36/x
  3. Step 3: Cross multiply
    1,509,909.86x = 2,083,675.52 × 830,846.36
  4. Step 4: Simplify right side
    1,509,909.86x = 1,731,214,228,499.41
  5. Step 5: Solve for x
    x = 1,731,214,228,499.41/1,509,909.86
  6. Step 6: Final answer
    x = 1,146,567.93

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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.