Home / 1,567,106.40-2,350,918.80-668,978.40

Finding the Fourth Proportional to 1,567,106.40, 2,350,918.80 and 668,978.40

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Solution

The fourth proportional to 1,567,106.40, 2,350,918.80 and 668,978.40 is: 1,003,578.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,567,106.40 : 2,350,918.80 = 668,978.40 : x
  2. Step 2: Convert to fraction form
    1,567,106.40/2,350,918.80 = 668,978.40/x
  3. Step 3: Cross multiply
    1,567,106.40x = 2,350,918.80 × 668,978.40
  4. Step 4: Simplify right side
    1,567,106.40x = 1,572,713,897,353.92
  5. Step 5: Solve for x
    x = 1,572,713,897,353.92/1,567,106.40
  6. Step 6: Final answer
    x = 1,003,578.25

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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.