Home / 1,184,328.59-1,776,476.36-285,762.78

Finding the Fourth Proportional to 1,184,328.59, 1,776,476.36 and 285,762.78

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Solution

The fourth proportional to 1,184,328.59, 1,776,476.36 and 285,762.78 is: 428,640.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,184,328.59 : 1,776,476.36 = 285,762.78 : x
  2. Step 2: Convert to fraction form
    1,184,328.59/1,776,476.36 = 285,762.78/x
  3. Step 3: Cross multiply
    1,184,328.59x = 1,776,476.36 × 285,762.78
  4. Step 4: Simplify right side
    1,184,328.59x = 507,650,821,809.07
  5. Step 5: Solve for x
    x = 507,650,821,809.07/1,184,328.59
  6. Step 6: Final answer
    x = 428,640.18

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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.