Home / 900,038.40-1,350,403.20-885,868.80

Finding the Fourth Proportional to 900,038.40, 1,350,403.20 and 885,868.80

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Solution

The fourth proportional to 900,038.40, 1,350,403.20 and 885,868.80 is: 1,329,143.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    900,038.40 : 1,350,403.20 = 885,868.80 : x
  2. Step 2: Convert to fraction form
    900,038.40/1,350,403.20 = 885,868.80/x
  3. Step 3: Cross multiply
    900,038.40x = 1,350,403.20 × 885,868.80
  4. Step 4: Simplify right side
    900,038.40x = 1,196,280,062,300.16
  5. Step 5: Solve for x
    x = 1,196,280,062,300.16/900,038.40
  6. Step 6: Final answer
    x = 1,329,143.36

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1.5x scale

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.