Home / 918,492.36-1,377,488.70-581,026.44

Finding the Fourth Proportional to 918,492.36, 1,377,488.70 and 581,026.44

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Solution

The fourth proportional to 918,492.36, 1,377,488.70 and 581,026.44 is: 871,381.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    918,492.36 : 1,377,488.70 = 581,026.44 : x
  2. Step 2: Convert to fraction form
    918,492.36/1,377,488.70 = 581,026.44/x
  3. Step 3: Cross multiply
    918,492.36x = 1,377,488.70 × 581,026.44
  4. Step 4: Simplify right side
    918,492.36x = 800,357,355,501.23
  5. Step 5: Solve for x
    x = 800,357,355,501.23/918,492.36
  6. Step 6: Final answer
    x = 871,381.61

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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.