Home / 1,430,145.26-1,973,111.61-818,075.03

Finding the Fourth Proportional to 1,430,145.26, 1,973,111.61 and 818,075.03

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Solution

The fourth proportional to 1,430,145.26, 1,973,111.61 and 818,075.03 is: 1,128,663.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,430,145.26 : 1,973,111.61 = 818,075.03 : x
  2. Step 2: Convert to fraction form
    1,430,145.26/1,973,111.61 = 818,075.03/x
  3. Step 3: Cross multiply
    1,430,145.26x = 1,973,111.61 × 818,075.03
  4. Step 4: Simplify right side
    1,430,145.26x = 1,614,153,339,544.10
  5. Step 5: Solve for x
    x = 1,614,153,339,544.10/1,430,145.26
  6. Step 6: Final answer
    x = 1,128,663.91

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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.