Home / 1,495,395.80-2,243,385.30-642,465.80

Finding the Fourth Proportional to 1,495,395.80, 2,243,385.30 and 642,465.80

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Solution

The fourth proportional to 1,495,395.80, 2,243,385.30 and 642,465.80 is: 963,823.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,495,395.80 : 2,243,385.30 = 642,465.80 : x
  2. Step 2: Convert to fraction form
    1,495,395.80/2,243,385.30 = 642,465.80/x
  3. Step 3: Cross multiply
    1,495,395.80x = 2,243,385.30 × 642,465.80
  4. Step 4: Simplify right side
    1,495,395.80x = 1,441,298,331,472.74
  5. Step 5: Solve for x
    x = 1,441,298,331,472.74/1,495,395.80
  6. Step 6: Final answer
    x = 963,823.98

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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.