Home / 1,018,871.80-1,528,307.70-546,479.80

Finding the Fourth Proportional to 1,018,871.80, 1,528,307.70 and 546,479.80

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Solution

The fourth proportional to 1,018,871.80, 1,528,307.70 and 546,479.80 is: 819,719.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,018,871.80 : 1,528,307.70 = 546,479.80 : x
  2. Step 2: Convert to fraction form
    1,018,871.80/1,528,307.70 = 546,479.80/x
  3. Step 3: Cross multiply
    1,018,871.80x = 1,528,307.70 × 546,479.80
  4. Step 4: Simplify right side
    1,018,871.80x = 835,189,286,234.46
  5. Step 5: Solve for x
    x = 835,189,286,234.46/1,018,871.80
  6. Step 6: Final answer
    x = 819,719.70

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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.