Home / 1,148,605.51-1,722,908.15-307,135.39

Finding the Fourth Proportional to 1,148,605.51, 1,722,908.15 and 307,135.39

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Solution

The fourth proportional to 1,148,605.51, 1,722,908.15 and 307,135.39 is: 460,703.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,148,605.51 : 1,722,908.15 = 307,135.39 : x
  2. Step 2: Convert to fraction form
    1,148,605.51/1,722,908.15 = 307,135.39/x
  3. Step 3: Cross multiply
    1,148,605.51x = 1,722,908.15 × 307,135.39
  4. Step 4: Simplify right side
    1,148,605.51x = 529,166,057,969.89
  5. Step 5: Solve for x
    x = 529,166,057,969.89/1,148,605.51
  6. Step 6: Final answer
    x = 460,703.05

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Double scale
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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.