Home / 1,042,312-1,562,768.16-481,040.32

Finding the Fourth Proportional to 1,042,312, 1,562,768.16 and 481,040.32

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Solution

The fourth proportional to 1,042,312, 1,562,768.16 and 481,040.32 is: 721,237.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,042,312 : 1,562,768.16 = 481,040.32 : x
  2. Step 2: Convert to fraction form
    1,042,312/1,562,768.16 = 481,040.32/x
  3. Step 3: Cross multiply
    1,042,312x = 1,562,768.16 × 481,040.32
  4. Step 4: Simplify right side
    1,042,312x = 751,754,495,772.21
  5. Step 5: Solve for x
    x = 751,754,495,772.21/1,042,312
  6. Step 6: Final answer
    x = 721,237.49

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1.5x scale

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.