Home / 1,575,386.20-2,361,329.70-865,923.40

Finding the Fourth Proportional to 1,575,386.20, 2,361,329.70 and 865,923.40

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Solution

The fourth proportional to 1,575,386.20, 2,361,329.70 and 865,923.40 is: 1,297,923.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,575,386.20 : 2,361,329.70 = 865,923.40 : x
  2. Step 2: Convert to fraction form
    1,575,386.20/2,361,329.70 = 865,923.40/x
  3. Step 3: Cross multiply
    1,575,386.20x = 2,361,329.70 × 865,923.40
  4. Step 4: Simplify right side
    1,575,386.20x = 2,044,730,642,344.98
  5. Step 5: Solve for x
    x = 2,044,730,642,344.98/1,575,386.20
  6. Step 6: Final answer
    x = 1,297,923.42

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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.