Home / 1,013,547.20-1,520,320.80-265,668.80

Finding the Fourth Proportional to 1,013,547.20, 1,520,320.80 and 265,668.80

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Solution

The fourth proportional to 1,013,547.20, 1,520,320.80 and 265,668.80 is: 398,503.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,013,547.20 : 1,520,320.80 = 265,668.80 : x
  2. Step 2: Convert to fraction form
    1,013,547.20/1,520,320.80 = 265,668.80/x
  3. Step 3: Cross multiply
    1,013,547.20x = 1,520,320.80 × 265,668.80
  4. Step 4: Simplify right side
    1,013,547.20x = 403,901,802,551.04
  5. Step 5: Solve for x
    x = 403,901,802,551.04/1,013,547.20
  6. Step 6: Final answer
    x = 398,503.20

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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.