Home / 1,775,587.60-2,663,381.40-1,208,717.20

Finding the Fourth Proportional to 1,775,587.60, 2,663,381.40 and 1,208,717.20

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Solution

The fourth proportional to 1,775,587.60, 2,663,381.40 and 1,208,717.20 is: 1,813,075.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,775,587.60 : 2,663,381.40 = 1,208,717.20 : x
  2. Step 2: Convert to fraction form
    1,775,587.60/2,663,381.40 = 1,208,717.20/x
  3. Step 3: Cross multiply
    1,775,587.60x = 2,663,381.40 × 1,208,717.20
  4. Step 4: Simplify right side
    1,775,587.60x = 3,219,274,908,340.08
  5. Step 5: Solve for x
    x = 3,219,274,908,340.08/1,775,587.60
  6. Step 6: Final answer
    x = 1,813,075.80

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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.