Home / 1,256,947.23-1,885,424.70-310,318.05

Finding the Fourth Proportional to 1,256,947.23, 1,885,424.70 and 310,318.05

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Solution

The fourth proportional to 1,256,947.23, 1,885,424.70 and 310,318.05 is: 465,478.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,256,947.23 : 1,885,424.70 = 310,318.05 : x
  2. Step 2: Convert to fraction form
    1,256,947.23/1,885,424.70 = 310,318.05/x
  3. Step 3: Cross multiply
    1,256,947.23x = 1,885,424.70 × 310,318.05
  4. Step 4: Simplify right side
    1,256,947.23x = 585,081,316,325.84
  5. Step 5: Solve for x
    x = 585,081,316,325.84/1,256,947.23
  6. Step 6: Final answer
    x = 465,478.03

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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.