Home / 1,140,215.60-1,710,378.50-298,768.16

Finding the Fourth Proportional to 1,140,215.60, 1,710,378.50 and 298,768.16

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Solution

The fourth proportional to 1,140,215.60, 1,710,378.50 and 298,768.16 is: 448,166.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,140,215.60 : 1,710,378.50 = 298,768.16 : x
  2. Step 2: Convert to fraction form
    1,140,215.60/1,710,378.50 = 298,768.16/x
  3. Step 3: Cross multiply
    1,140,215.60x = 1,710,378.50 × 298,768.16
  4. Step 4: Simplify right side
    1,140,215.60x = 511,006,637,348.56
  5. Step 5: Solve for x
    x = 511,006,637,348.56/1,140,215.60
  6. Step 6: Final answer
    x = 448,166.68

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1.5x scale

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.