Home / 1,577,320.40-2,365,980.60-976,332.80

Finding the Fourth Proportional to 1,577,320.40, 2,365,980.60 and 976,332.80

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Solution

The fourth proportional to 1,577,320.40, 2,365,980.60 and 976,332.80 is: 1,464,499.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,577,320.40 : 2,365,980.60 = 976,332.80 : x
  2. Step 2: Convert to fraction form
    1,577,320.40/2,365,980.60 = 976,332.80/x
  3. Step 3: Cross multiply
    1,577,320.40x = 2,365,980.60 × 976,332.80
  4. Step 4: Simplify right side
    1,577,320.40x = 2,309,984,463,943.68
  5. Step 5: Solve for x
    x = 2,309,984,463,943.68/1,577,320.40
  6. Step 6: Final answer
    x = 1,464,499.20

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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.