Home / 1,307,483.09-1,804,315.78-734,510.87

Finding the Fourth Proportional to 1,307,483.09, 1,804,315.78 and 734,510.87

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Solution

The fourth proportional to 1,307,483.09, 1,804,315.78 and 734,510.87 is: 1,013,618.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,307,483.09 : 1,804,315.78 = 734,510.87 : x
  2. Step 2: Convert to fraction form
    1,307,483.09/1,804,315.78 = 734,510.87/x
  3. Step 3: Cross multiply
    1,307,483.09x = 1,804,315.78 × 734,510.87
  4. Step 4: Simplify right side
    1,307,483.09x = 1,325,289,553,322.53
  5. Step 5: Solve for x
    x = 1,325,289,553,322.53/1,307,483.09
  6. Step 6: Final answer
    x = 1,013,618.89

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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.