Home / 1,685,354.70-2,528,360.10-487,316.10

Finding the Fourth Proportional to 1,685,354.70, 2,528,360.10 and 487,316.10

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Solution

The fourth proportional to 1,685,354.70, 2,528,360.10 and 487,316.10 is: 731,069.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,685,354.70 : 2,528,360.10 = 487,316.10 : x
  2. Step 2: Convert to fraction form
    1,685,354.70/2,528,360.10 = 487,316.10/x
  3. Step 3: Cross multiply
    1,685,354.70x = 2,528,360.10 × 487,316.10
  4. Step 4: Simplify right side
    1,685,354.70x = 1,232,110,583,327.61
  5. Step 5: Solve for x
    x = 1,232,110,583,327.61/1,685,354.70
  6. Step 6: Final answer
    x = 731,069.00

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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.