Home / 1,087,290.90-1,631,713.95-456,657.30

Finding the Fourth Proportional to 1,087,290.90, 1,631,713.95 and 456,657.30

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Solution

The fourth proportional to 1,087,290.90, 1,631,713.95 and 456,657.30 is: 685,312.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,087,290.90 : 1,631,713.95 = 456,657.30 : x
  2. Step 2: Convert to fraction form
    1,087,290.90/1,631,713.95 = 456,657.30/x
  3. Step 3: Cross multiply
    1,087,290.90x = 1,631,713.95 × 456,657.30
  4. Step 4: Simplify right side
    1,087,290.90x = 745,134,086,779.34
  5. Step 5: Solve for x
    x = 745,134,086,779.34/1,087,290.90
  6. Step 6: Final answer
    x = 685,312.54

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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.