Home / 1,087,916.80-1,630,492.80-525,740.80

Finding the Fourth Proportional to 1,087,916.80, 1,630,492.80 and 525,740.80

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Solution

The fourth proportional to 1,087,916.80, 1,630,492.80 and 525,740.80 is: 787,943.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,087,916.80 : 1,630,492.80 = 525,740.80 : x
  2. Step 2: Convert to fraction form
    1,087,916.80/1,630,492.80 = 525,740.80/x
  3. Step 3: Cross multiply
    1,087,916.80x = 1,630,492.80 × 525,740.80
  4. Step 4: Simplify right side
    1,087,916.80x = 857,216,589,066.24
  5. Step 5: Solve for x
    x = 857,216,589,066.24/1,087,916.80
  6. Step 6: Final answer
    x = 787,943.15

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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.