Home / 1,088,047.20-1,630,126.80-525,842.40

Finding the Fourth Proportional to 1,088,047.20, 1,630,126.80 and 525,842.40

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Solution

The fourth proportional to 1,088,047.20, 1,630,126.80 and 525,842.40 is: 787,824.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,088,047.20 : 1,630,126.80 = 525,842.40 : x
  2. Step 2: Convert to fraction form
    1,088,047.20/1,630,126.80 = 525,842.40/x
  3. Step 3: Cross multiply
    1,088,047.20x = 1,630,126.80 × 525,842.40
  4. Step 4: Simplify right side
    1,088,047.20x = 857,189,788,816.32
  5. Step 5: Solve for x
    x = 857,189,788,816.32/1,088,047.20
  6. Step 6: Final answer
    x = 787,824.08

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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.