Home / 860,501.88-1,290,582.72-817,827.84

Finding the Fourth Proportional to 860,501.88, 1,290,582.72 and 817,827.84

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Solution

The fourth proportional to 860,501.88, 1,290,582.72 and 817,827.84 is: 1,226,580.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    860,501.88 : 1,290,582.72 = 817,827.84 : x
  2. Step 2: Convert to fraction form
    860,501.88/1,290,582.72 = 817,827.84/x
  3. Step 3: Cross multiply
    860,501.88x = 1,290,582.72 × 817,827.84
  4. Step 4: Simplify right side
    860,501.88x = 1,055,474,478,238.92
  5. Step 5: Solve for x
    x = 1,055,474,478,238.92/860,501.88
  6. Step 6: Final answer
    x = 1,226,580.10

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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.