Home / 1,437,332.80-2,155,999.20-490,561.60

Finding the Fourth Proportional to 1,437,332.80, 2,155,999.20 and 490,561.60

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Solution

The fourth proportional to 1,437,332.80, 2,155,999.20 and 490,561.60 is: 735,842.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,437,332.80 : 2,155,999.20 = 490,561.60 : x
  2. Step 2: Convert to fraction form
    1,437,332.80/2,155,999.20 = 490,561.60/x
  3. Step 3: Cross multiply
    1,437,332.80x = 2,155,999.20 × 490,561.60
  4. Step 4: Simplify right side
    1,437,332.80x = 1,057,650,417,150.72
  5. Step 5: Solve for x
    x = 1,057,650,417,150.72/1,437,332.80
  6. Step 6: Final answer
    x = 735,842.40

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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.