Home / 1,688,947.76-2,533,587.60-490,880

Finding the Fourth Proportional to 1,688,947.76, 2,533,587.60 and 490,880

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Solution

The fourth proportional to 1,688,947.76, 2,533,587.60 and 490,880 is: 736,368.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,688,947.76 : 2,533,587.60 = 490,880 : x
  2. Step 2: Convert to fraction form
    1,688,947.76/2,533,587.60 = 490,880/x
  3. Step 3: Cross multiply
    1,688,947.76x = 2,533,587.60 × 490,880
  4. Step 4: Simplify right side
    1,688,947.76x = 1,243,687,481,088
  5. Step 5: Solve for x
    x = 1,243,687,481,088/1,688,947.76
  6. Step 6: Final answer
    x = 736,368.24

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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.