Home / 1,505,316.76-2,077,302.45-816,989.83

Finding the Fourth Proportional to 1,505,316.76, 2,077,302.45 and 816,989.83

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Solution

The fourth proportional to 1,505,316.76, 2,077,302.45 and 816,989.83 is: 1,127,427.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,505,316.76 : 2,077,302.45 = 816,989.83 : x
  2. Step 2: Convert to fraction form
    1,505,316.76/2,077,302.45 = 816,989.83/x
  3. Step 3: Cross multiply
    1,505,316.76x = 2,077,302.45 × 816,989.83
  4. Step 4: Simplify right side
    1,505,316.76x = 1,697,134,975,484.08
  5. Step 5: Solve for x
    x = 1,697,134,975,484.08/1,505,316.76
  6. Step 6: Final answer
    x = 1,127,427.14

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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.