Home / 1,361,570.40-2,042,355.60-912,506.40

Finding the Fourth Proportional to 1,361,570.40, 2,042,355.60 and 912,506.40

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Solution

The fourth proportional to 1,361,570.40, 2,042,355.60 and 912,506.40 is: 1,368,759.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,361,570.40 : 2,042,355.60 = 912,506.40 : x
  2. Step 2: Convert to fraction form
    1,361,570.40/2,042,355.60 = 912,506.40/x
  3. Step 3: Cross multiply
    1,361,570.40x = 2,042,355.60 × 912,506.40
  4. Step 4: Simplify right side
    1,361,570.40x = 1,863,662,556,075.84
  5. Step 5: Solve for x
    x = 1,863,662,556,075.84/1,361,570.40
  6. Step 6: Final answer
    x = 1,368,759.60

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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.