Home / 1,408,592.89-2,112,925.73-383,931.59

Finding the Fourth Proportional to 1,408,592.89, 2,112,925.73 and 383,931.59

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Solution

The fourth proportional to 1,408,592.89, 2,112,925.73 and 383,931.59 is: 575,907.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,408,592.89 : 2,112,925.73 = 383,931.59 : x
  2. Step 2: Convert to fraction form
    1,408,592.89/2,112,925.73 = 383,931.59/x
  3. Step 3: Cross multiply
    1,408,592.89x = 2,112,925.73 × 383,931.59
  4. Step 4: Simplify right side
    1,408,592.89x = 811,218,933,151.15
  5. Step 5: Solve for x
    x = 811,218,933,151.15/1,408,592.89
  6. Step 6: Final answer
    x = 575,907.31

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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.