Home / 1,129,931.60-1,559,316.85-613,695.57

Finding the Fourth Proportional to 1,129,931.60, 1,559,316.85 and 613,695.57

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Solution

The fourth proportional to 1,129,931.60, 1,559,316.85 and 613,695.57 is: 846,905.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,129,931.60 : 1,559,316.85 = 613,695.57 : x
  2. Step 2: Convert to fraction form
    1,129,931.60/1,559,316.85 = 613,695.57/x
  3. Step 3: Cross multiply
    1,129,931.60x = 1,559,316.85 × 613,695.57
  4. Step 4: Simplify right side
    1,129,931.60x = 956,945,843,071.36
  5. Step 5: Solve for x
    x = 956,945,843,071.36/1,129,931.60
  6. Step 6: Final answer
    x = 846,905.99

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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.