Home / 1,586,088.80-2,380,688.40-788,271.20

Finding the Fourth Proportional to 1,586,088.80, 2,380,688.40 and 788,271.20

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Solution

The fourth proportional to 1,586,088.80, 2,380,688.40 and 788,271.20 is: 1,183,179.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,586,088.80 : 2,380,688.40 = 788,271.20 : x
  2. Step 2: Convert to fraction form
    1,586,088.80/2,380,688.40 = 788,271.20/x
  3. Step 3: Cross multiply
    1,586,088.80x = 2,380,688.40 × 788,271.20
  4. Step 4: Simplify right side
    1,586,088.80x = 1,876,628,101,894.08
  5. Step 5: Solve for x
    x = 1,876,628,101,894.08/1,586,088.80
  6. Step 6: Final answer
    x = 1,183,179.72

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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.