Home / 1,559,387.04-2,152,140.84-947,639.76

Finding the Fourth Proportional to 1,559,387.04, 2,152,140.84 and 947,639.76

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Solution

The fourth proportional to 1,559,387.04, 2,152,140.84 and 947,639.76 is: 1,307,856.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,559,387.04 : 2,152,140.84 = 947,639.76 : x
  2. Step 2: Convert to fraction form
    1,559,387.04/2,152,140.84 = 947,639.76/x
  3. Step 3: Cross multiply
    1,559,387.04x = 2,152,140.84 × 947,639.76
  4. Step 4: Simplify right side
    1,559,387.04x = 2,039,454,229,103.80
  5. Step 5: Solve for x
    x = 2,039,454,229,103.80/1,559,387.04
  6. Step 6: Final answer
    x = 1,307,856.34

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.