Home / 1,004,130-1,385,709.12-551,430.72

Finding the Fourth Proportional to 1,004,130, 1,385,709.12 and 551,430.72

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Solution

The fourth proportional to 1,004,130, 1,385,709.12 and 551,430.72 is: 760,979.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,004,130 : 1,385,709.12 = 551,430.72 : x
  2. Step 2: Convert to fraction form
    1,004,130/1,385,709.12 = 551,430.72/x
  3. Step 3: Cross multiply
    1,004,130x = 1,385,709.12 × 551,430.72
  4. Step 4: Simplify right side
    1,004,130x = 764,122,577,752.17
  5. Step 5: Solve for x
    x = 764,122,577,752.17/1,004,130
  6. Step 6: Final answer
    x = 760,979.73

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.