Home / 1,210,184.40-1,815,276.60-580,328.40

Finding the Fourth Proportional to 1,210,184.40, 1,815,276.60 and 580,328.40

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Solution

The fourth proportional to 1,210,184.40, 1,815,276.60 and 580,328.40 is: 870,492.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,210,184.40 : 1,815,276.60 = 580,328.40 : x
  2. Step 2: Convert to fraction form
    1,210,184.40/1,815,276.60 = 580,328.40/x
  3. Step 3: Cross multiply
    1,210,184.40x = 1,815,276.60 × 580,328.40
  4. Step 4: Simplify right side
    1,210,184.40x = 1,053,456,564,835.44
  5. Step 5: Solve for x
    x = 1,053,456,564,835.44/1,210,184.40
  6. Step 6: Final answer
    x = 870,492.60

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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.