Home / 1,012,395.60-1,518,812.10-302,495.40

Finding the Fourth Proportional to 1,012,395.60, 1,518,812.10 and 302,495.40

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Solution

The fourth proportional to 1,012,395.60, 1,518,812.10 and 302,495.40 is: 453,808.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,012,395.60 : 1,518,812.10 = 302,495.40 : x
  2. Step 2: Convert to fraction form
    1,012,395.60/1,518,812.10 = 302,495.40/x
  3. Step 3: Cross multiply
    1,012,395.60x = 1,518,812.10 × 302,495.40
  4. Step 4: Simplify right side
    1,012,395.60x = 459,433,673,714.34
  5. Step 5: Solve for x
    x = 459,433,673,714.34/1,012,395.60
  6. Step 6: Final answer
    x = 453,808.45

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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.