Home / 1,018,730.20-1,528,095.30-917,253.40

Finding the Fourth Proportional to 1,018,730.20, 1,528,095.30 and 917,253.40

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Solution

The fourth proportional to 1,018,730.20, 1,528,095.30 and 917,253.40 is: 1,375,880.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,018,730.20 : 1,528,095.30 = 917,253.40 : x
  2. Step 2: Convert to fraction form
    1,018,730.20/1,528,095.30 = 917,253.40/x
  3. Step 3: Cross multiply
    1,018,730.20x = 1,528,095.30 × 917,253.40
  4. Step 4: Simplify right side
    1,018,730.20x = 1,401,650,609,449.02
  5. Step 5: Solve for x
    x = 1,401,650,609,449.02/1,018,730.20
  6. Step 6: Final answer
    x = 1,375,880.10

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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.