Home / 1,130,257.48-1,695,473.70-320,628.24

Finding the Fourth Proportional to 1,130,257.48, 1,695,473.70 and 320,628.24

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Solution

The fourth proportional to 1,130,257.48, 1,695,473.70 and 320,628.24 is: 480,967.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,130,257.48 : 1,695,473.70 = 320,628.24 : x
  2. Step 2: Convert to fraction form
    1,130,257.48/1,695,473.70 = 320,628.24/x
  3. Step 3: Cross multiply
    1,130,257.48x = 1,695,473.70 × 320,628.24
  4. Step 4: Simplify right side
    1,130,257.48x = 543,616,748,397.29
  5. Step 5: Solve for x
    x = 543,616,748,397.29/1,130,257.48
  6. Step 6: Final answer
    x = 480,967.18

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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.