Home / 1,578,152.40-2,365,673.40-779,557.20

Finding the Fourth Proportional to 1,578,152.40, 2,365,673.40 and 779,557.20

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Solution

The fourth proportional to 1,578,152.40, 2,365,673.40 and 779,557.20 is: 1,168,567.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,578,152.40 : 2,365,673.40 = 779,557.20 : x
  2. Step 2: Convert to fraction form
    1,578,152.40/2,365,673.40 = 779,557.20/x
  3. Step 3: Cross multiply
    1,578,152.40x = 2,365,673.40 × 779,557.20
  4. Step 4: Simplify right side
    1,578,152.40x = 1,844,177,731,818.48
  5. Step 5: Solve for x
    x = 1,844,177,731,818.48/1,578,152.40
  6. Step 6: Final answer
    x = 1,168,567.58

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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.