Home / 1,225,262.42-1,837,981.41-326,699.45

Finding the Fourth Proportional to 1,225,262.42, 1,837,981.41 and 326,699.45

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Solution

The fourth proportional to 1,225,262.42, 1,837,981.41 and 326,699.45 is: 490,072.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,225,262.42 : 1,837,981.41 = 326,699.45 : x
  2. Step 2: Convert to fraction form
    1,225,262.42/1,837,981.41 = 326,699.45/x
  3. Step 3: Cross multiply
    1,225,262.42x = 1,837,981.41 × 326,699.45
  4. Step 4: Simplify right side
    1,225,262.42x = 600,467,506,567.32
  5. Step 5: Solve for x
    x = 600,467,506,567.32/1,225,262.42
  6. Step 6: Final answer
    x = 490,072.57

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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.