Home / 1,685,559.70-2,528,667.60-487,521.10

Finding the Fourth Proportional to 1,685,559.70, 2,528,667.60 and 487,521.10

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Solution

The fourth proportional to 1,685,559.70, 2,528,667.60 and 487,521.10 is: 731,376.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,685,559.70 : 2,528,667.60 = 487,521.10 : x
  2. Step 2: Convert to fraction form
    1,685,559.70/2,528,667.60 = 487,521.10/x
  3. Step 3: Cross multiply
    1,685,559.70x = 2,528,667.60 × 487,521.10
  4. Step 4: Simplify right side
    1,685,559.70x = 1,232,778,809,886.36
  5. Step 5: Solve for x
    x = 1,232,778,809,886.36/1,685,559.70
  6. Step 6: Final answer
    x = 731,376.53

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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.