Home / 1,018,990.96-1,528,365.75-345,070.96

Finding the Fourth Proportional to 1,018,990.96, 1,528,365.75 and 345,070.96

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Solution

The fourth proportional to 1,018,990.96, 1,528,365.75 and 345,070.96 is: 517,565.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,018,990.96 : 1,528,365.75 = 345,070.96 : x
  2. Step 2: Convert to fraction form
    1,018,990.96/1,528,365.75 = 345,070.96/x
  3. Step 3: Cross multiply
    1,018,990.96x = 1,528,365.75 × 345,070.96
  4. Step 4: Simplify right side
    1,018,990.96x = 527,394,636,583.62
  5. Step 5: Solve for x
    x = 527,394,636,583.62/1,018,990.96
  6. Step 6: Final answer
    x = 517,565.57

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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.