Home / 1,249,023.40-1,870,697.54-977,459.12

Finding the Fourth Proportional to 1,249,023.40, 1,870,697.54 and 977,459.12

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Solution

The fourth proportional to 1,249,023.40, 1,870,697.54 and 977,459.12 is: 1,463,968.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,249,023.40 : 1,870,697.54 = 977,459.12 : x
  2. Step 2: Convert to fraction form
    1,249,023.40/1,870,697.54 = 977,459.12/x
  3. Step 3: Cross multiply
    1,249,023.40x = 1,870,697.54 × 977,459.12
  4. Step 4: Simplify right side
    1,249,023.40x = 1,828,530,381,941.47
  5. Step 5: Solve for x
    x = 1,828,530,381,941.47/1,249,023.40
  6. Step 6: Final answer
    x = 1,463,968.08

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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.