Home / 1,386,339.80-2,079,509.70-587,485.40

Finding the Fourth Proportional to 1,386,339.80, 2,079,509.70 and 587,485.40

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Solution

The fourth proportional to 1,386,339.80, 2,079,509.70 and 587,485.40 is: 881,228.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,386,339.80 : 2,079,509.70 = 587,485.40 : x
  2. Step 2: Convert to fraction form
    1,386,339.80/2,079,509.70 = 587,485.40/x
  3. Step 3: Cross multiply
    1,386,339.80x = 2,079,509.70 × 587,485.40
  4. Step 4: Simplify right side
    1,386,339.80x = 1,221,681,587,908.38
  5. Step 5: Solve for x
    x = 1,221,681,587,908.38/1,386,339.80
  6. Step 6: Final answer
    x = 881,228.10

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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.