Home / 1,310,633.85-1,966,657.02-553,000.42

Finding the Fourth Proportional to 1,310,633.85, 1,966,657.02 and 553,000.42

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Solution

The fourth proportional to 1,310,633.85, 1,966,657.02 and 553,000.42 is: 829,798.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,310,633.85 : 1,966,657.02 = 553,000.42 : x
  2. Step 2: Convert to fraction form
    1,310,633.85/1,966,657.02 = 553,000.42/x
  3. Step 3: Cross multiply
    1,310,633.85x = 1,966,657.02 × 553,000.42
  4. Step 4: Simplify right side
    1,310,633.85x = 1,087,562,158,055.95
  5. Step 5: Solve for x
    x = 1,087,562,158,055.95/1,310,633.85
  6. Step 6: Final answer
    x = 829,798.62

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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.