Home / 1,208,050.07-1,812,075.51-355,121.69

Finding the Fourth Proportional to 1,208,050.07, 1,812,075.51 and 355,121.69

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Solution

The fourth proportional to 1,208,050.07, 1,812,075.51 and 355,121.69 is: 532,682.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,208,050.07 : 1,812,075.51 = 355,121.69 : x
  2. Step 2: Convert to fraction form
    1,208,050.07/1,812,075.51 = 355,121.69/x
  3. Step 3: Cross multiply
    1,208,050.07x = 1,812,075.51 × 355,121.69
  4. Step 4: Simplify right side
    1,208,050.07x = 643,507,317,518.81
  5. Step 5: Solve for x
    x = 643,507,317,518.81/1,208,050.07
  6. Step 6: Final answer
    x = 532,682.65

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Double scale
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1.5x scale

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.