Home / 1,075,323.40-1,612,989.65-435,639.57

Finding the Fourth Proportional to 1,075,323.40, 1,612,989.65 and 435,639.57

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Solution

The fourth proportional to 1,075,323.40, 1,612,989.65 and 435,639.57 is: 653,461.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,075,323.40 : 1,612,989.65 = 435,639.57 : x
  2. Step 2: Convert to fraction form
    1,075,323.40/1,612,989.65 = 435,639.57/x
  3. Step 3: Cross multiply
    1,075,323.40x = 1,612,989.65 × 435,639.57
  4. Step 4: Simplify right side
    1,075,323.40x = 702,682,112,580.84
  5. Step 5: Solve for x
    x = 702,682,112,580.84/1,075,323.40
  6. Step 6: Final answer
    x = 653,461.20

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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.