Home / 1,148,038.48-1,584,368.82-638,741.92

Finding the Fourth Proportional to 1,148,038.48, 1,584,368.82 and 638,741.92

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Solution

The fourth proportional to 1,148,038.48, 1,584,368.82 and 638,741.92 is: 881,505.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,148,038.48 : 1,584,368.82 = 638,741.92 : x
  2. Step 2: Convert to fraction form
    1,148,038.48/1,584,368.82 = 638,741.92/x
  3. Step 3: Cross multiply
    1,148,038.48x = 1,584,368.82 × 638,741.92
  4. Step 4: Simplify right side
    1,148,038.48x = 1,012,002,782,074.93
  5. Step 5: Solve for x
    x = 1,012,002,782,074.93/1,148,038.48
  6. Step 6: Final answer
    x = 881,505.98

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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.