Home / 1,570,021.45-2,355,504.93-490,490.40

Finding the Fourth Proportional to 1,570,021.45, 2,355,504.93 and 490,490.40

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Solution

The fourth proportional to 1,570,021.45, 2,355,504.93 and 490,490.40 is: 735,883.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,570,021.45 : 2,355,504.93 = 490,490.40 : x
  2. Step 2: Convert to fraction form
    1,570,021.45/2,355,504.93 = 490,490.40/x
  3. Step 3: Cross multiply
    1,570,021.45x = 2,355,504.93 × 490,490.40
  4. Step 4: Simplify right side
    1,570,021.45x = 1,155,352,555,317.67
  5. Step 5: Solve for x
    x = 1,155,352,555,317.67/1,570,021.45
  6. Step 6: Final answer
    x = 735,883.29

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1.5x scale

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.