Home / 1,678,551.90-2,518,572.07-879,643.50

Finding the Fourth Proportional to 1,678,551.90, 2,518,572.07 and 879,643.50

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Solution

The fourth proportional to 1,678,551.90, 2,518,572.07 and 879,643.50 is: 1,319,855.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,678,551.90 : 2,518,572.07 = 879,643.50 : x
  2. Step 2: Convert to fraction form
    1,678,551.90/2,518,572.07 = 879,643.50/x
  3. Step 3: Cross multiply
    1,678,551.90x = 2,518,572.07 × 879,643.50
  4. Step 4: Simplify right side
    1,678,551.90x = 2,215,445,550,657.05
  5. Step 5: Solve for x
    x = 2,215,445,550,657.05/1,678,551.90
  6. Step 6: Final answer
    x = 1,319,855.26

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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.