Home / 1,148,738.60-1,722,037.52-390,061.19

Finding the Fourth Proportional to 1,148,738.60, 1,722,037.52 and 390,061.19

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Solution

The fourth proportional to 1,148,738.60, 1,722,037.52 and 390,061.19 is: 584,728.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,148,738.60 : 1,722,037.52 = 390,061.19 : x
  2. Step 2: Convert to fraction form
    1,148,738.60/1,722,037.52 = 390,061.19/x
  3. Step 3: Cross multiply
    1,148,738.60x = 1,722,037.52 × 390,061.19
  4. Step 4: Simplify right side
    1,148,738.60x = 671,699,993,715.36
  5. Step 5: Solve for x
    x = 671,699,993,715.36/1,148,738.60
  6. Step 6: Final answer
    x = 584,728.32

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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.