Home / 1,539,313.30-2,309,626.05-971,130.70

Finding the Fourth Proportional to 1,539,313.30, 2,309,626.05 and 971,130.70

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Solution

The fourth proportional to 1,539,313.30, 2,309,626.05 and 971,130.70 is: 1,457,109.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,539,313.30 : 2,309,626.05 = 971,130.70 : x
  2. Step 2: Convert to fraction form
    1,539,313.30/2,309,626.05 = 971,130.70/x
  3. Step 3: Cross multiply
    1,539,313.30x = 2,309,626.05 × 971,130.70
  4. Step 4: Simplify right side
    1,539,313.30x = 2,242,948,762,674.74
  5. Step 5: Solve for x
    x = 2,242,948,762,674.74/1,539,313.30
  6. Step 6: Final answer
    x = 1,457,109.97

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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.