Home / 1,118,428.40-1,677,922.05-360,341.30

Finding the Fourth Proportional to 1,118,428.40, 1,677,922.05 and 360,341.30

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Solution

The fourth proportional to 1,118,428.40, 1,677,922.05 and 360,341.30 is: 540,601.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,118,428.40 : 1,677,922.05 = 360,341.30 : x
  2. Step 2: Convert to fraction form
    1,118,428.40/1,677,922.05 = 360,341.30/x
  3. Step 3: Cross multiply
    1,118,428.40x = 1,677,922.05 × 360,341.30
  4. Step 4: Simplify right side
    1,118,428.40x = 604,624,612,795.67
  5. Step 5: Solve for x
    x = 604,624,612,795.67/1,118,428.40
  6. Step 6: Final answer
    x = 540,601.98

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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.