Home / 1,129,931.35-1,559,316.51-613,695.31

Finding the Fourth Proportional to 1,129,931.35, 1,559,316.51 and 613,695.31

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Solution

The fourth proportional to 1,129,931.35, 1,559,316.51 and 613,695.31 is: 846,905.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,129,931.35 : 1,559,316.51 = 613,695.31 : x
  2. Step 2: Convert to fraction form
    1,129,931.35/1,559,316.51 = 613,695.31/x
  3. Step 3: Cross multiply
    1,129,931.35x = 1,559,316.51 × 613,695.31
  4. Step 4: Simplify right side
    1,129,931.35x = 956,945,225,094.28
  5. Step 5: Solve for x
    x = 956,945,225,094.28/1,129,931.35
  6. Step 6: Final answer
    x = 846,905.63

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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.