Home / 1,553,018.40-2,329,858.80-879,415.20

Finding the Fourth Proportional to 1,553,018.40, 2,329,858.80 and 879,415.20

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Solution

The fourth proportional to 1,553,018.40, 2,329,858.80 and 879,415.20 is: 1,319,310.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,553,018.40 : 2,329,858.80 = 879,415.20 : x
  2. Step 2: Convert to fraction form
    1,553,018.40/2,329,858.80 = 879,415.20/x
  3. Step 3: Cross multiply
    1,553,018.40x = 2,329,858.80 × 879,415.20
  4. Step 4: Simplify right side
    1,553,018.40x = 2,048,913,242,573.76
  5. Step 5: Solve for x
    x = 2,048,913,242,573.76/1,553,018.40
  6. Step 6: Final answer
    x = 1,319,310.35

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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.