Home / 1,091,303.70-1,636,955.55-918,093.30

Finding the Fourth Proportional to 1,091,303.70, 1,636,955.55 and 918,093.30

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Solution

The fourth proportional to 1,091,303.70, 1,636,955.55 and 918,093.30 is: 1,377,139.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,091,303.70 : 1,636,955.55 = 918,093.30 : x
  2. Step 2: Convert to fraction form
    1,091,303.70/1,636,955.55 = 918,093.30/x
  3. Step 3: Cross multiply
    1,091,303.70x = 1,636,955.55 × 918,093.30
  4. Step 4: Simplify right side
    1,091,303.70x = 1,502,877,922,852.82
  5. Step 5: Solve for x
    x = 1,502,877,922,852.82/1,091,303.70
  6. Step 6: Final answer
    x = 1,377,139.95

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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.