Home / 1,038,017.60-1,557,026.40-637,359.20

Finding the Fourth Proportional to 1,038,017.60, 1,557,026.40 and 637,359.20

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Solution

The fourth proportional to 1,038,017.60, 1,557,026.40 and 637,359.20 is: 956,038.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,038,017.60 : 1,557,026.40 = 637,359.20 : x
  2. Step 2: Convert to fraction form
    1,038,017.60/1,557,026.40 = 637,359.20/x
  3. Step 3: Cross multiply
    1,038,017.60x = 1,557,026.40 × 637,359.20
  4. Step 4: Simplify right side
    1,038,017.60x = 992,385,100,682.88
  5. Step 5: Solve for x
    x = 992,385,100,682.88/1,038,017.60
  6. Step 6: Final answer
    x = 956,038.80

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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.