Home / 993,037.39-1,488,389.68-459,431.26

Finding the Fourth Proportional to 993,037.39, 1,488,389.68 and 459,431.26

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Solution

The fourth proportional to 993,037.39, 1,488,389.68 and 459,431.26 is: 688,607.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    993,037.39 : 1,488,389.68 = 459,431.26 : x
  2. Step 2: Convert to fraction form
    993,037.39/1,488,389.68 = 459,431.26/x
  3. Step 3: Cross multiply
    993,037.39x = 1,488,389.68 × 459,431.26
  4. Step 4: Simplify right side
    993,037.39x = 683,812,742,906.71
  5. Step 5: Solve for x
    x = 683,812,742,906.71/993,037.39
  6. Step 6: Final answer
    x = 688,607.25

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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.