Home / 1,539,060.40-2,308,590.60-474,428.80

Finding the Fourth Proportional to 1,539,060.40, 2,308,590.60 and 474,428.80

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Solution

The fourth proportional to 1,539,060.40, 2,308,590.60 and 474,428.80 is: 711,643.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,539,060.40 : 2,308,590.60 = 474,428.80 : x
  2. Step 2: Convert to fraction form
    1,539,060.40/2,308,590.60 = 474,428.80/x
  3. Step 3: Cross multiply
    1,539,060.40x = 2,308,590.60 × 474,428.80
  4. Step 4: Simplify right side
    1,539,060.40x = 1,095,261,868,049.28
  5. Step 5: Solve for x
    x = 1,095,261,868,049.28/1,539,060.40
  6. Step 6: Final answer
    x = 711,643.20

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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.