Home / 1,044,075.60-1,566,113.40-643,417.20

Finding the Fourth Proportional to 1,044,075.60, 1,566,113.40 and 643,417.20

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Solution

The fourth proportional to 1,044,075.60, 1,566,113.40 and 643,417.20 is: 965,125.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,044,075.60 : 1,566,113.40 = 643,417.20 : x
  2. Step 2: Convert to fraction form
    1,044,075.60/1,566,113.40 = 643,417.20/x
  3. Step 3: Cross multiply
    1,044,075.60x = 1,566,113.40 × 643,417.20
  4. Step 4: Simplify right side
    1,044,075.60x = 1,007,664,298,710.48
  5. Step 5: Solve for x
    x = 1,007,664,298,710.48/1,044,075.60
  6. Step 6: Final answer
    x = 965,125.80

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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.