Home / 1,018,807.70-1,528,211.55-908,582.90

Finding the Fourth Proportional to 1,018,807.70, 1,528,211.55 and 908,582.90

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Solution

The fourth proportional to 1,018,807.70, 1,528,211.55 and 908,582.90 is: 1,362,874.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,018,807.70 : 1,528,211.55 = 908,582.90 : x
  2. Step 2: Convert to fraction form
    1,018,807.70/1,528,211.55 = 908,582.90/x
  3. Step 3: Cross multiply
    1,018,807.70x = 1,528,211.55 × 908,582.90
  4. Step 4: Simplify right side
    1,018,807.70x = 1,388,506,881,912.50
  5. Step 5: Solve for x
    x = 1,388,506,881,912.50/1,018,807.70
  6. Step 6: Final answer
    x = 1,362,874.35

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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.