Home / 1,030,026.88-1,421,412.48-571,139.20

Finding the Fourth Proportional to 1,030,026.88, 1,421,412.48 and 571,139.20

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Solution

The fourth proportional to 1,030,026.88, 1,421,412.48 and 571,139.20 is: 788,158.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,030,026.88 : 1,421,412.48 = 571,139.20 : x
  2. Step 2: Convert to fraction form
    1,030,026.88/1,421,412.48 = 571,139.20/x
  3. Step 3: Cross multiply
    1,030,026.88x = 1,421,412.48 × 571,139.20
  4. Step 4: Simplify right side
    1,030,026.88x = 811,824,386,697.22
  5. Step 5: Solve for x
    x = 811,824,386,697.22/1,030,026.88
  6. Step 6: Final answer
    x = 788,158.45

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.