Home / 1,385,904.80-2,075,746.80-1,137,072.80

Finding the Fourth Proportional to 1,385,904.80, 2,075,746.80 and 1,137,072.80

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Solution

The fourth proportional to 1,385,904.80, 2,075,746.80 and 1,137,072.80 is: 1,703,057.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,385,904.80 : 2,075,746.80 = 1,137,072.80 : x
  2. Step 2: Convert to fraction form
    1,385,904.80/2,075,746.80 = 1,137,072.80/x
  3. Step 3: Cross multiply
    1,385,904.80x = 2,075,746.80 × 1,137,072.80
  4. Step 4: Simplify right side
    1,385,904.80x = 2,360,275,225,967.04
  5. Step 5: Solve for x
    x = 2,360,275,225,967.04/1,385,904.80
  6. Step 6: Final answer
    x = 1,703,057.26

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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.