Home / 1,501,288.74-2,072,283.66-912,586.01

Finding the Fourth Proportional to 1,501,288.74, 2,072,283.66 and 912,586.01

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Solution

The fourth proportional to 1,501,288.74, 2,072,283.66 and 912,586.01 is: 1,259,675.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,501,288.74 : 2,072,283.66 = 912,586.01 : x
  2. Step 2: Convert to fraction form
    1,501,288.74/2,072,283.66 = 912,586.01/x
  3. Step 3: Cross multiply
    1,501,288.74x = 2,072,283.66 × 912,586.01
  4. Step 4: Simplify right side
    1,501,288.74x = 1,891,137,066,506.18
  5. Step 5: Solve for x
    x = 1,891,137,066,506.18/1,501,288.74
  6. Step 6: Final answer
    x = 1,259,675.78

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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.