Home / 1,018,830.70-1,528,246.05-917,353.90

Finding the Fourth Proportional to 1,018,830.70, 1,528,246.05 and 917,353.90

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Solution

The fourth proportional to 1,018,830.70, 1,528,246.05 and 917,353.90 is: 1,376,030.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,018,830.70 : 1,528,246.05 = 917,353.90 : x
  2. Step 2: Convert to fraction form
    1,018,830.70/1,528,246.05 = 917,353.90/x
  3. Step 3: Cross multiply
    1,018,830.70x = 1,528,246.05 × 917,353.90
  4. Step 4: Simplify right side
    1,018,830.70x = 1,401,942,474,127.10
  5. Step 5: Solve for x
    x = 1,401,942,474,127.10/1,018,830.70
  6. Step 6: Final answer
    x = 1,376,030.85

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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.