Home / 1,339,342.40-2,009,013.60-452,878.40

Finding the Fourth Proportional to 1,339,342.40, 2,009,013.60 and 452,878.40

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Solution

The fourth proportional to 1,339,342.40, 2,009,013.60 and 452,878.40 is: 679,317.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,339,342.40 : 2,009,013.60 = 452,878.40 : x
  2. Step 2: Convert to fraction form
    1,339,342.40/2,009,013.60 = 452,878.40/x
  3. Step 3: Cross multiply
    1,339,342.40x = 2,009,013.60 × 452,878.40
  4. Step 4: Simplify right side
    1,339,342.40x = 909,838,864,746.24
  5. Step 5: Solve for x
    x = 909,838,864,746.24/1,339,342.40
  6. Step 6: Final answer
    x = 679,317.60

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1.5x scale

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.