Home / 1,013,138.40-1,519,488.90-444,518.40

Finding the Fourth Proportional to 1,013,138.40, 1,519,488.90 and 444,518.40

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Solution

The fourth proportional to 1,013,138.40, 1,519,488.90 and 444,518.40 is: 666,681.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,013,138.40 : 1,519,488.90 = 444,518.40 : x
  2. Step 2: Convert to fraction form
    1,013,138.40/1,519,488.90 = 444,518.40/x
  3. Step 3: Cross multiply
    1,013,138.40x = 1,519,488.90 × 444,518.40
  4. Step 4: Simplify right side
    1,013,138.40x = 675,440,774,645.76
  5. Step 5: Solve for x
    x = 675,440,774,645.76/1,013,138.40
  6. Step 6: Final answer
    x = 666,681.64

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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.