Home / 1,118,428.90-1,677,922.80-360,341.80

Finding the Fourth Proportional to 1,118,428.90, 1,677,922.80 and 360,341.80

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Solution

The fourth proportional to 1,118,428.90, 1,677,922.80 and 360,341.80 is: 540,602.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,118,428.90 : 1,677,922.80 = 360,341.80 : x
  2. Step 2: Convert to fraction form
    1,118,428.90/1,677,922.80 = 360,341.80/x
  3. Step 3: Cross multiply
    1,118,428.90x = 1,677,922.80 × 360,341.80
  4. Step 4: Simplify right side
    1,118,428.90x = 604,625,722,013.04
  5. Step 5: Solve for x
    x = 604,625,722,013.04/1,118,428.90
  6. Step 6: Final answer
    x = 540,602.73

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1.5x scale

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.