Home / 1,140,003.60-1,710,005.40-298,640.40

Finding the Fourth Proportional to 1,140,003.60, 1,710,005.40 and 298,640.40

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Solution

The fourth proportional to 1,140,003.60, 1,710,005.40 and 298,640.40 is: 447,960.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,140,003.60 : 1,710,005.40 = 298,640.40 : x
  2. Step 2: Convert to fraction form
    1,140,003.60/1,710,005.40 = 298,640.40/x
  3. Step 3: Cross multiply
    1,140,003.60x = 1,710,005.40 × 298,640.40
  4. Step 4: Simplify right side
    1,140,003.60x = 510,676,696,658.16
  5. Step 5: Solve for x
    x = 510,676,696,658.16/1,140,003.60
  6. Step 6: Final answer
    x = 447,960.60

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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.