Home / 1,318,322.36-1,977,483.52-608,140.28

Finding the Fourth Proportional to 1,318,322.36, 1,977,483.52 and 608,140.28

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Solution

The fourth proportional to 1,318,322.36, 1,977,483.52 and 608,140.28 is: 912,210.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,318,322.36 : 1,977,483.52 = 608,140.28 : x
  2. Step 2: Convert to fraction form
    1,318,322.36/1,977,483.52 = 608,140.28/x
  3. Step 3: Cross multiply
    1,318,322.36x = 1,977,483.52 × 608,140.28
  4. Step 4: Simplify right side
    1,318,322.36x = 1,202,587,381,548.19
  5. Step 5: Solve for x
    x = 1,202,587,381,548.19/1,318,322.36
  6. Step 6: Final answer
    x = 912,210.41

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.