Home / 1,141,570.98-1,575,379.53-688,774.50

Finding the Fourth Proportional to 1,141,570.98, 1,575,379.53 and 688,774.50

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Solution

The fourth proportional to 1,141,570.98, 1,575,379.53 and 688,774.50 is: 950,515.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,141,570.98 : 1,575,379.53 = 688,774.50 : x
  2. Step 2: Convert to fraction form
    1,141,570.98/1,575,379.53 = 688,774.50/x
  3. Step 3: Cross multiply
    1,141,570.98x = 1,575,379.53 × 688,774.50
  4. Step 4: Simplify right side
    1,141,570.98x = 1,085,081,248,085.99
  5. Step 5: Solve for x
    x = 1,085,081,248,085.99/1,141,570.98
  6. Step 6: Final answer
    x = 950,515.80

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.