Home / 1,119,621.51-1,679,106.89-436,356.29

Finding the Fourth Proportional to 1,119,621.51, 1,679,106.89 and 436,356.29

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Solution

The fourth proportional to 1,119,621.51, 1,679,106.89 and 436,356.29 is: 654,407.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,119,621.51 : 1,679,106.89 = 436,356.29 : x
  2. Step 2: Convert to fraction form
    1,119,621.51/1,679,106.89 = 436,356.29/x
  3. Step 3: Cross multiply
    1,119,621.51x = 1,679,106.89 × 436,356.29
  4. Step 4: Simplify right side
    1,119,621.51x = 732,688,853,033.84
  5. Step 5: Solve for x
    x = 732,688,853,033.84/1,119,621.51
  6. Step 6: Final answer
    x = 654,407.62

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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.