Home / 1,211,569.42-1,817,570.30-402,002.36

Finding the Fourth Proportional to 1,211,569.42, 1,817,570.30 and 402,002.36

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Solution

The fourth proportional to 1,211,569.42, 1,817,570.30 and 402,002.36 is: 603,075.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,211,569.42 : 1,817,570.30 = 402,002.36 : x
  2. Step 2: Convert to fraction form
    1,211,569.42/1,817,570.30 = 402,002.36/x
  3. Step 3: Cross multiply
    1,211,569.42x = 1,817,570.30 × 402,002.36
  4. Step 4: Simplify right side
    1,211,569.42x = 730,667,550,065.91
  5. Step 5: Solve for x
    x = 730,667,550,065.91/1,211,569.42
  6. Step 6: Final answer
    x = 603,075.27

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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.