Home / 1,315,458.85-1,815,298.81-734,666.17

Finding the Fourth Proportional to 1,315,458.85, 1,815,298.81 and 734,666.17

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Solution

The fourth proportional to 1,315,458.85, 1,815,298.81 and 734,666.17 is: 1,013,820.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,315,458.85 : 1,815,298.81 = 734,666.17 : x
  2. Step 2: Convert to fraction form
    1,315,458.85/1,815,298.81 = 734,666.17/x
  3. Step 3: Cross multiply
    1,315,458.85x = 1,815,298.81 × 734,666.17
  4. Step 4: Simplify right side
    1,315,458.85x = 1,333,638,624,148.26
  5. Step 5: Solve for x
    x = 1,333,638,624,148.26/1,315,458.85
  6. Step 6: Final answer
    x = 1,013,820.10

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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.