Home / 1,130,159.76-1,559,613.06-613,908.96

Finding the Fourth Proportional to 1,130,159.76, 1,559,613.06 and 613,908.96

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Solution

The fourth proportional to 1,130,159.76, 1,559,613.06 and 613,908.96 is: 847,190.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,130,159.76 : 1,559,613.06 = 613,908.96 : x
  2. Step 2: Convert to fraction form
    1,130,159.76/1,559,613.06 = 613,908.96/x
  3. Step 3: Cross multiply
    1,130,159.76x = 1,559,613.06 × 613,908.96
  4. Step 4: Simplify right side
    1,130,159.76x = 957,460,431,667.02
  5. Step 5: Solve for x
    x = 957,460,431,667.02/1,130,159.76
  6. Step 6: Final answer
    x = 847,190.34

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1.5x scale

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.