Home / 1,854,639.48-2,559,189.42-1,038,729.72

Finding the Fourth Proportional to 1,854,639.48, 2,559,189.42 and 1,038,729.72

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Solution

The fourth proportional to 1,854,639.48, 2,559,189.42 and 1,038,729.72 is: 1,433,327.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,854,639.48 : 2,559,189.42 = 1,038,729.72 : x
  2. Step 2: Convert to fraction form
    1,854,639.48/2,559,189.42 = 1,038,729.72/x
  3. Step 3: Cross multiply
    1,854,639.48x = 2,559,189.42 × 1,038,729.72
  4. Step 4: Simplify right side
    1,854,639.48x = 2,658,306,109,663.56
  5. Step 5: Solve for x
    x = 2,658,306,109,663.56/1,854,639.48
  6. Step 6: Final answer
    x = 1,433,327.68

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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.