Home / 1,806,518.64-2,709,779.12-458,782.32

Finding the Fourth Proportional to 1,806,518.64, 2,709,779.12 and 458,782.32

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Solution

The fourth proportional to 1,806,518.64, 2,709,779.12 and 458,782.32 is: 688,173.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,806,518.64 : 2,709,779.12 = 458,782.32 : x
  2. Step 2: Convert to fraction form
    1,806,518.64/2,709,779.12 = 458,782.32/x
  3. Step 3: Cross multiply
    1,806,518.64x = 2,709,779.12 × 458,782.32
  4. Step 4: Simplify right side
    1,806,518.64x = 1,243,198,751,361.16
  5. Step 5: Solve for x
    x = 1,243,198,751,361.16/1,806,518.64
  6. Step 6: Final answer
    x = 688,173.77

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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.