Home / 1,111,989.51-1,667,384.73-599,929.11

Finding the Fourth Proportional to 1,111,989.51, 1,667,384.73 and 599,929.11

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Solution

The fourth proportional to 1,111,989.51, 1,667,384.73 and 599,929.11 is: 899,570.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,111,989.51 : 1,667,384.73 = 599,929.11 : x
  2. Step 2: Convert to fraction form
    1,111,989.51/1,667,384.73 = 599,929.11/x
  3. Step 3: Cross multiply
    1,111,989.51x = 1,667,384.73 × 599,929.11
  4. Step 4: Simplify right side
    1,111,989.51x = 1,000,312,637,096.49
  5. Step 5: Solve for x
    x = 1,000,312,637,096.49/1,111,989.51
  6. Step 6: Final answer
    x = 899,570.21

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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.