Home / 1,605,132.30-2,407,807.80-510,830.40

Finding the Fourth Proportional to 1,605,132.30, 2,407,807.80 and 510,830.40

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Solution

The fourth proportional to 1,605,132.30, 2,407,807.80 and 510,830.40 is: 766,280.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,605,132.30 : 2,407,807.80 = 510,830.40 : x
  2. Step 2: Convert to fraction form
    1,605,132.30/2,407,807.80 = 510,830.40/x
  3. Step 3: Cross multiply
    1,605,132.30x = 2,407,807.80 × 510,830.40
  4. Step 4: Simplify right side
    1,605,132.30x = 1,229,981,421,597.12
  5. Step 5: Solve for x
    x = 1,229,981,421,597.12/1,605,132.30
  6. Step 6: Final answer
    x = 766,280.40

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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.