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Finding the Fourth Proportional to 1,184,733.60, 1,778,412.60 and 735,961.20

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Solution

The fourth proportional to 1,184,733.60, 1,778,412.60 and 735,961.20 is: 1,104,756.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,184,733.60 : 1,778,412.60 = 735,961.20 : x
  2. Step 2: Convert to fraction form
    1,184,733.60/1,778,412.60 = 735,961.20/x
  3. Step 3: Cross multiply
    1,184,733.60x = 1,778,412.60 × 735,961.20
  4. Step 4: Simplify right side
    1,184,733.60x = 1,308,842,671,191.12
  5. Step 5: Solve for x
    x = 1,308,842,671,191.12/1,184,733.60
  6. Step 6: Final answer
    x = 1,104,756.94

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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.