Home / 1,312,150.95-1,967,931.12-470,702.70

Finding the Fourth Proportional to 1,312,150.95, 1,967,931.12 and 470,702.70

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Solution

The fourth proportional to 1,312,150.95, 1,967,931.12 and 470,702.70 is: 705,948.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,312,150.95 : 1,967,931.12 = 470,702.70 : x
  2. Step 2: Convert to fraction form
    1,312,150.95/1,967,931.12 = 470,702.70/x
  3. Step 3: Cross multiply
    1,312,150.95x = 1,967,931.12 × 470,702.70
  4. Step 4: Simplify right side
    1,312,150.95x = 926,310,491,598.02
  5. Step 5: Solve for x
    x = 926,310,491,598.02/1,312,150.95
  6. Step 6: Final answer
    x = 705,948.12

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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.