Home / 1,119,562.42-1,545,038.13-636,209.86

Finding the Fourth Proportional to 1,119,562.42, 1,545,038.13 and 636,209.86

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Solution

The fourth proportional to 1,119,562.42, 1,545,038.13 and 636,209.86 is: 877,993.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,119,562.42 : 1,545,038.13 = 636,209.86 : x
  2. Step 2: Convert to fraction form
    1,119,562.42/1,545,038.13 = 636,209.86/x
  3. Step 3: Cross multiply
    1,119,562.42x = 1,545,038.13 × 636,209.86
  4. Step 4: Simplify right side
    1,119,562.42x = 982,968,492,381.96
  5. Step 5: Solve for x
    x = 982,968,492,381.96/1,119,562.42
  6. Step 6: Final answer
    x = 877,993.47

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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.