Home / 1,559,987.85-2,338,264.35-1,020,021.45

Finding the Fourth Proportional to 1,559,987.85, 2,338,264.35 and 1,020,021.45

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Solution

The fourth proportional to 1,559,987.85, 2,338,264.35 and 1,020,021.45 is: 1,528,909.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,559,987.85 : 2,338,264.35 = 1,020,021.45 : x
  2. Step 2: Convert to fraction form
    1,559,987.85/2,338,264.35 = 1,020,021.45/x
  3. Step 3: Cross multiply
    1,559,987.85x = 2,338,264.35 × 1,020,021.45
  4. Step 4: Simplify right side
    1,559,987.85x = 2,385,079,792,770.31
  5. Step 5: Solve for x
    x = 2,385,079,792,770.31/1,559,987.85
  6. Step 6: Final answer
    x = 1,528,909.21

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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.